30124156 has 12 divisors (see below), whose sum is σ = 54535320. Its totient is φ = 14542640.

The previous prime is 30124117. The next prime is 30124163. The reversal of 30124156 is 65142103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129730 + ... + 129961.

It is an arithmetic number, because the mean of its divisors is an integer number (4544610).

Almost surely, 2^30124156 is an apocalyptic number.

It is an amenable number.

30124156 is a deficient number, since it is larger than the sum of its proper divisors (24411164).

30124156 is a wasteful number, since it uses less digits than its factorization.

30124156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259724 (or 259722 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 30124156 is about 5488.5477131934. The cubic root of 30124156 is about 311.1513068057.

Adding to 30124156 its reverse (65142103), we get a palindrome (95266259).

The spelling of 30124156 in words is "thirty million, one hundred twenty-four thousand, one hundred fifty-six".