1252961968 has 40 divisors (see below), whose sum is σ = 2567085696. Its totient is φ = 591475200.

The previous prime is 1252961959. The next prime is 1252961971. The reversal of 1252961968 is 8691692521.

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, 10471 + ... + 51142.

Almost surely, 2^1252961968 is an apocalyptic number.

It is an amenable number.

1252961968 is an abundant number, since it is smaller than the sum of its proper divisors (1314123728).

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

1252961968 is a wasteful number, since it uses less digits than its factorization.

1252961968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61693 (or 61687 counting only the distinct ones).

The product of its digits is 466560, while the sum is 49.

The square root of 1252961968 is about 35397.2028273422. The cubic root of 1252961968 is about 1078.0675227307.

The spelling of 1252961968 in words is "one billion, two hundred fifty-two million, nine hundred sixty-one thousand, nine hundred sixty-eight".