204340124 has 12 divisors (see below), whose sum is σ = 358541400. Its totient is φ = 101899728.

The previous prime is 204340111. The next prime is 204340133. The reversal of 204340124 is 421043402.

It is a junction number, because it is equal to n+sod(n) for n = 204340096 and 204340105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65879 + ... + 68910.

It is an arithmetic number, because the mean of its divisors is an integer number (29878450).

Almost surely, 2^204340124 is an apocalyptic number.

It is an amenable number.

204340124 is a deficient number, since it is larger than the sum of its proper divisors (154201276).

204340124 is a wasteful number, since it uses less digits than its factorization.

204340124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135172 (or 135170 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 204340124 is about 14294.7586198578. The cubic root of 204340124 is about 589.0035118257.

Adding to 204340124 its reverse (421043402), we get a palindrome (625383526).

The spelling of 204340124 in words is "two hundred four million, three hundred forty thousand, one hundred twenty-four".