252128 has 12 divisors (see below), whose sum is σ = 496440. Its totient is φ = 126048.

The previous prime is 252101. The next prime is 252139. The reversal of 252128 is 821252.

252128 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

252128 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3908 + ... + 3971.

It is an arithmetic number, because the mean of its divisors is an integer number (41370).

2²⁵²¹²⁸ is an apocalyptic number.

It is an amenable number.

252128 is a deficient number, since it is larger than the sum of its proper divisors (244312).

252128 is an equidigital number, since it uses as much as digits as its factorization.

252128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7889 (or 7881 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 252128 is about 502.1234907869. The cubic root of 252128 is about 63.1742885318.

The spelling of 252128 in words is "two hundred fifty-two thousand, one hundred twenty-eight".