1268310607 has 4 divisors (see below), whose sum is σ = 1268514376. Its totient is φ = 1268106840.

The previous prime is 1268310601. The next prime is 1268310611. The reversal of 1268310607 is 7060138621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1268310607 is a prime.

It is a super-2 number, since 2×1268310607² = 3217223591657416898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268310601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92244 + ... + 105097.

It is an arithmetic number, because the mean of its divisors is an integer number (317128594).

Almost surely, 2^1268310607 is an apocalyptic number.

1268310607 is a deficient number, since it is larger than the sum of its proper divisors (203769).

1268310607 is an equidigital number, since it uses as much as digits as its factorization.

1268310607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203768.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1268310607 is about 35613.3487192654. The cubic root of 1268310607 is about 1082.4517365635.

The spelling of 1268310607 in words is "one billion, two hundred sixty-eight million, three hundred ten thousand, six hundred seven".