30124924 has 6 divisors (see below), whose sum is σ = 52718624. Its totient is φ = 15062460.

The previous prime is 30124921. The next prime is 30124949. The reversal of 30124924 is 42942103.

It is a super-2 number, since 2×30124924² = 1815022092011552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30124921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3765612 + ... + 3765619.

Almost surely, 2^30124924 is an apocalyptic number.

It is an amenable number.

30124924 is a deficient number, since it is larger than the sum of its proper divisors (22593700).

30124924 is a wasteful number, since it uses less digits than its factorization.

30124924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531235 (or 7531233 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 30124924 is about 5488.6176766104. The cubic root of 30124924 is about 311.1539509979.

The spelling of 30124924 in words is "thirty million, one hundred twenty-four thousand, nine hundred twenty-four".