1252479712 has 36 divisors (see below), whose sum is σ = 2710371888. Its totient is φ = 569307200.

The previous prime is 1252479643. The next prime is 1252479727. The reversal of 1252479712 is 2179742521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157864 + ... + 165607.

It is an arithmetic number, because the mean of its divisors is an integer number (75288108).

Almost surely, 2^1252479712 is an apocalyptic number.

It is an amenable number.

1252479712 is an abundant number, since it is smaller than the sum of its proper divisors (1457892176).

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

1252479712 is a wasteful number, since it uses less digits than its factorization.

1252479712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323503 (or 323484 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 1252479712 is about 35390.3901080505. The cubic root of 1252479712 is about 1077.9291915173.

The spelling of 1252479712 in words is "one billion, two hundred fifty-two million, four hundred seventy-nine thousand, seven hundred twelve".