1264012608 has 28 divisors (see below), whose sum is σ = 3344367200. Its totient is φ = 421337472.

The previous prime is 1264012579. The next prime is 1264012613. The reversal of 1264012608 is 8062104621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3291508 + ... + 3291891.

Almost surely, 2^1264012608 is an apocalyptic number.

It is an amenable number.

1264012608 is an abundant number, since it is smaller than the sum of its proper divisors (2080354592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1264012608 is an equidigital number, since it uses as much as digits as its factorization.

1264012608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6583414 (or 6583404 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1264012608 is about 35552.9549826734. The cubic root of 1264012608 is about 1081.2276300940.

The spelling of 1264012608 in words is "one billion, two hundred sixty-four million, twelve thousand, six hundred eight".