204512124 has 24 divisors (see below), whose sum is σ = 502311040. Its totient is φ = 64582704.

The previous prime is 204512071. The next prime is 204512149. The reversal of 204512124 is 421215402.

204512124 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 self number, because there is not a number n which added to its sum of digits gives 204512124.

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, 448264 + ... + 448719.

Almost surely, 2^204512124 is an apocalyptic number.

It is an amenable number.

204512124 is an abundant number, since it is smaller than the sum of its proper divisors (297798916).

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

204512124 is a wasteful number, since it uses less digits than its factorization.

204512124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897009 (or 897007 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 204512124 is about 14300.7735455114. The cubic root of 204512124 is about 589.1687268772.

Adding to 204512124 its reverse (421215402), we get a palindrome (625727526).

The spelling of 204512124 in words is "two hundred four million, five hundred twelve thousand, one hundred twenty-four".