1252872472 has 16 divisors (see below), whose sum is σ = 2367070200. Its totient is φ = 621653760.

The previous prime is 1252872457. The next prime is 1252872499. The reversal of 1252872472 is 2742782521.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 596697 + ... + 598792.

Almost surely, 2^1252872472 is an apocalyptic number.

It is an amenable number.

1252872472 is a deficient number, since it is larger than the sum of its proper divisors (1114197728).

1252872472 is a wasteful number, since it uses less digits than its factorization.

1252872472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195626 (or 1195622 counting only the distinct ones).

The product of its digits is 125440, while the sum is 40.

The square root of 1252872472 is about 35395.9386370809. The cubic root of 1252872472 is about 1078.0418542133.

The spelling of 1252872472 in words is "one billion, two hundred fifty-two million, eight hundred seventy-two thousand, four hundred seventy-two".