252073128 has 16 divisors (see below), whose sum is σ = 630182880. Its totient is φ = 84024368.

The previous prime is 252073117. The next prime is 252073153. The reversal of 252073128 is 821370252.

It is a junction number, because it is equal to n+sod(n) for n = 252073095 and 252073104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5251500 + ... + 5251547.

It is an arithmetic number, because the mean of its divisors is an integer number (39386430).

Almost surely, 2^252073128 is an apocalyptic number.

It is an amenable number.

252073128 is an abundant number, since it is smaller than the sum of its proper divisors (378109752).

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

252073128 is a wasteful number, since it uses less digits than its factorization.

252073128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10503056 (or 10503052 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 252073128 is about 15876.8110148102. The cubic root of 252073128 is about 631.6970521032.

The spelling of 252073128 in words is "two hundred fifty-two million, seventy-three thousand, one hundred twenty-eight".