252122 has 8 divisors (see below), whose sum is σ = 407316. Its totient is φ = 116352.

The previous prime is 252101. The next prime is 252139. The reversal of 252122 is 221252.

It can be written as a sum of positive squares in 2 ways, for example, as 212521 + 39601 = 461^2 + 199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 252097 and 252106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4823 + ... + 4874.

2²⁵²¹²² is an apocalyptic number.

252122 is a deficient number, since it is larger than the sum of its proper divisors (155194).

252122 is a wasteful number, since it uses less digits than its factorization.

252122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9712.

The product of its digits is 80, while the sum is 14.

The square root of 252122 is about 502.1175161255. The cubic root of 252122 is about 63.1737873992.

Adding to 252122 its reverse (221252), we get a palindrome (473374).

The spelling of 252122 in words is "two hundred fifty-two thousand, one hundred twenty-two".