123924124 has 6 divisors (see below), whose sum is σ = 216867224. Its totient is φ = 61962060.

The previous prime is 123924113. The next prime is 123924133. The reversal of 123924124 is 421429321.

It is a junction number, because it is equal to n+sod(n) for n = 123924092 and 123924101.

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, 15490512 + ... + 15490519.

Almost surely, 2^123924124 is an apocalyptic number.

It is an amenable number.

123924124 is a deficient number, since it is larger than the sum of its proper divisors (92943100).

123924124 is a wasteful number, since it uses less digits than its factorization.

123924124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30981035 (or 30981033 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 123924124 is about 11132.1212713481. The cubic root of 123924124 is about 498.5613632855.

The spelling of 123924124 in words is "one hundred twenty-three million, nine hundred twenty-four thousand, one hundred twenty-four".