1264372868 has 12 divisors (see below), whose sum is σ = 2413802832. Its totient is φ = 574714920.

The previous prime is 1264372861. The next prime is 1264372873. The reversal of 1264372868 is 8682734621.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1264372861) 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, 14367830 + ... + 14367917.

It is an arithmetic number, because the mean of its divisors is an integer number (201150236).

Almost surely, 2^1264372868 is an apocalyptic number.

It is an amenable number.

1264372868 is a deficient number, since it is larger than the sum of its proper divisors (1149429964).

1264372868 is a wasteful number, since it uses less digits than its factorization.

1264372868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28735762 (or 28735760 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 1264372868 is about 35558.0211485397. The cubic root of 1264372868 is about 1081.3303416395.

The spelling of 1264372868 in words is "one billion, two hundred sixty-four million, three hundred seventy-two thousand, eight hundred sixty-eight".