204003123124 has 6 divisors (see below), whose sum is σ = 357005465474. Its totient is φ = 102001561560.

The previous prime is 204003123097. The next prime is 204003123131. The reversal of 204003123124 is 421321300402.

It can be written as a sum of positive squares in only one way, i.e., 198619966224 + 5383156900 = 445668^2 + 73370^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204003123095 and 204003123104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500390387 + ... + 25500390394.

Almost surely, 2^204003123124 is an apocalyptic number.

It is an amenable number.

204003123124 is a deficient number, since it is larger than the sum of its proper divisors (153002342350).

204003123124 is a wasteful number, since it uses less digits than its factorization.

204003123124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51000780785 (or 51000780783 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 204003123124 its reverse (421321300402), we get a palindrome (625324423526).

The spelling of 204003123124 in words is "two hundred four billion, three million, one hundred twenty-three thousand, one hundred twenty-four".