30124125 has 24 divisors (see below), whose sum is σ = 54305784. Its totient is φ = 16065600.

The previous prime is 30124117. The next prime is 30124163. The reversal of 30124125 is 52142103.

It can be written as a sum of positive squares in 4 ways, for example, as 4782969 + 25341156 = 2187^2 + 5034^2 .

It is not a de Polignac number, because 30124125 - 2³ = 30124117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30124098 and 30124107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12264 + ... + 14513.

It is an arithmetic number, because the mean of its divisors is an integer number (2262741).

Almost surely, 2^30124125 is an apocalyptic number.

It is an amenable number.

30124125 is a deficient number, since it is larger than the sum of its proper divisors (24181659).

30124125 is a wasteful number, since it uses less digits than its factorization.

30124125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26798 (or 26785 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 30124125 is about 5488.5448891305. The cubic root of 30124125 is about 311.1512000731.

Adding to 30124125 its reverse (52142103), we get a palindrome (82266228).

The spelling of 30124125 in words is "thirty million, one hundred twenty-four thousand, one hundred twenty-five".