253122 has 8 divisors (see below), whose sum is σ = 506256. Its totient is φ = 84372.

The previous prime is 253109. The next prime is 253133. The reversal of 253122 is 221352.

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

253122 is an admirable number.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253122.

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, 21088 + ... + 21099.

It is an arithmetic number, because the mean of its divisors is an integer number (63282).

2²⁵³¹²² is an apocalyptic number.

253122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

253122 is a wasteful number, since it uses less digits than its factorization.

253122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42192.

The product of its digits is 120, while the sum is 15.

The square root of 253122 is about 503.1123135046. The cubic root of 253122 is about 63.2571999907.

Adding to 253122 its reverse (221352), we get a palindrome (474474).

The spelling of 253122 in words is "two hundred fifty-three thousand, one hundred twenty-two".