1252168996 has 27 divisors (see below), whose sum is σ = 2374567923. Its totient is φ = 577499520.

The previous prime is 1252168969. The next prime is 1252168997. The reversal of 1252168996 is 6998612521.

The square root of 1252168996 is 35386.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 583222500 + 668946496 = 24150^2 + 25864^2 .

It is not an unprimeable number, because it can be changed into a prime (1252168997) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 919356 + ... + 920716.

Almost surely, 2^1252168996 is an apocalyptic number.

1252168996 is the 35386-th square number.

It is an amenable number.

1252168996 is a deficient number, since it is larger than the sum of its proper divisors (1122398927).

1252168996 is an equidigital number, since it uses as much as digits as its factorization.

1252168996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752 (or 1376 counting only the distinct ones).

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

The cubic root of 1252168996 is about 1077.8400463482.

Multiplying 1252168996 by its sum of digits (49), we get a square (61356280804 = 247702²).

The spelling of 1252168996 in words is "one billion, two hundred fifty-two million, one hundred sixty-eight thousand, nine hundred ninety-six".