1268007707 has 2 divisors, whose sum is σ = 1268007708. Its totient is φ = 1268007706.

The previous prime is 1268007667. The next prime is 1268007721. The reversal of 1268007707 is 7077008621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1268007707 - 2¹⁰ = 1268006683 is a prime.

It is a super-2 number, since 2×1268007707² = 3215687090022795698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1268007757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634003853 + 634003854.

It is an arithmetic number, because the mean of its divisors is an integer number (634003854).

Almost surely, 2^1268007707 is an apocalyptic number.

1268007707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268007707 is an equidigital number, since it uses as much as digits as its factorization.

1268007707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 1268007707 is about 35609.0958464267. The cubic root of 1268007707 is about 1082.3655587419.

The spelling of 1268007707 in words is "one billion, two hundred sixty-eight million, seven thousand, seven hundred seven".