204161124 has 24 divisors (see below), whose sum is σ = 478427040. Its totient is φ = 67760704.

The previous prime is 204161123. The next prime is 204161149. The reversal of 204161124 is 421161402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 204161124.

It is not an unprimeable number, because it can be changed into a prime (204161123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33714 + ... + 39305.

It is an arithmetic number, because the mean of its divisors is an integer number (19934460).

Almost surely, 2^204161124 is an apocalyptic number.

It is an amenable number.

204161124 is an abundant number, since it is smaller than the sum of its proper divisors (274265916).

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

204161124 is a wasteful number, since it uses less digits than its factorization.

204161124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73259 (or 73257 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 204161124 is about 14288.4962119882. The cubic root of 204161124 is about 588.8314744283.

The spelling of 204161124 in words is "two hundred four million, one hundred sixty-one thousand, one hundred twenty-four".