1520113252 has 24 divisors (see below), whose sum is σ = 3041164224. Its totient is φ = 651276192.

The previous prime is 1520113249. The next prime is 1520113307. The reversal of 1520113252 is 2523110251.

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, 116943 + ... + 129289.

It is an arithmetic number, because the mean of its divisors is an integer number (126715176).

Almost surely, 2^1520113252 is an apocalyptic number.

It is an amenable number.

1520113252 is an abundant number, since it is smaller than the sum of its proper divisors (1521050972).

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

1520113252 is a wasteful number, since it uses less digits than its factorization.

1520113252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16755 (or 16753 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1520113252 is about 38988.6297784367. The cubic root of 1520113252 is about 1149.8079709610.

The spelling of 1520113252 in words is "one billion, five hundred twenty million, one hundred thirteen thousand, two hundred fifty-two".