252057126 has 16 divisors (see below), whose sum is σ = 504606528. Its totient is φ = 83937000.

The previous prime is 252057109. The next prime is 252057133. The reversal of 252057126 is 621750252.

It is a junction number, because it is equal to n+sod(n) for n = 252057093 and 252057102.

It is a congruent number.

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, 13680 + ... + 26291.

It is an arithmetic number, because the mean of its divisors is an integer number (31537908).

Almost surely, 2^252057126 is an apocalyptic number.

252057126 is an abundant number, since it is smaller than the sum of its proper divisors (252549402).

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

252057126 is a wasteful number, since it uses less digits than its factorization.

252057126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41027.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 252057126 is about 15876.3070643018. The cubic root of 252057126 is about 631.6836847784.

The spelling of 252057126 in words is "two hundred fifty-two million, fifty-seven thousand, one hundred twenty-six".