1224164 has 6 divisors (see below), whose sum is σ = 2142294. Its totient is φ = 612080.

The previous prime is 1224163. The next prime is 1224169. The reversal of 1224164 is 4614221.

It can be written as a sum of positive squares in only one way, i.e., 984064 + 240100 = 992^2 + 490^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1224163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153017 + ... + 153024.

It is an arithmetic number, because the mean of its divisors is an integer number (357049).

2^1224164 is an apocalyptic number.

It is an amenable number.

1224164 is a deficient number, since it is larger than the sum of its proper divisors (918130).

1224164 is a wasteful number, since it uses less digits than its factorization.

1224164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306045 (or 306043 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 1224164 is about 1106.4194502990. The cubic root of 1224164 is about 106.9744021219.

Adding to 1224164 its reverse (4614221), we get a palindrome (5838385).

The spelling of 1224164 in words is "one million, two hundred twenty-four thousand, one hundred sixty-four".