1252995264 has 56 divisors (see below), whose sum is σ = 3683579120. Its totient is φ = 417664512.

The previous prime is 1252995259. The next prime is 1252995277. The reversal of 1252995264 is 4625992521.

1252995264 is a `hidden beast` number, since 12 + 529 + 9 + 52 + 64 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360829 + ... + 364284.

Almost surely, 2^1252995264 is an apocalyptic number.

It is an amenable number.

1252995264 is an abundant number, since it is smaller than the sum of its proper divisors (2430583856).

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

1252995264 is an equidigital number, since it uses as much as digits as its factorization.

1252995264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725134 (or 725118 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 1252995264 is about 35397.6731438664. The cubic root of 1252995264 is about 1078.0770721076.

The spelling of 1252995264 in words is "one billion, two hundred fifty-two million, nine hundred ninety-five thousand, two hundred sixty-four".