1252797968 has 40 divisors (see below), whose sum is σ = 2520656376. Its totient is φ = 602726400.

The previous prime is 1252797943. The next prime is 1252797989. The reversal of 1252797968 is 8697972521.

It can be written as a sum of positive squares in 4 ways, for example, as 204304 + 1252593664 = 452^2 + 35392^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34808 + ... + 60968.

Almost surely, 2^1252797968 is an apocalyptic number.

It is an amenable number.

1252797968 is an abundant number, since it is smaller than the sum of its proper divisors (1267858408).

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

1252797968 is a wasteful number, since it uses less digits than its factorization.

1252797968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26283 (or 26277 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 56.

The square root of 1252797968 is about 35394.8861843063. The cubic root of 1252797968 is about 1078.0204846474.

The spelling of 1252797968 in words is "one billion, two hundred fifty-two million, seven hundred ninety-seven thousand, nine hundred sixty-eight".