30118125 has 20 divisors (see below), whose sum is σ = 50183936. Its totient is φ = 16062000.

The previous prime is 30118093. The next prime is 30118147. The reversal of 30118125 is 52181103.

It is not a de Polignac number, because 30118125 - 2⁵ = 30118093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6157 + ... + 9906.

Almost surely, 2^30118125 is an apocalyptic number.

It is an amenable number.

30118125 is a deficient number, since it is larger than the sum of its proper divisors (20065811).

30118125 is an equidigital number, since it uses as much as digits as its factorization.

30118125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16086 (or 16071 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 30118125 is about 5487.9982689502. The cubic root of 30118125 is about 311.1305407603.

Adding to 30118125 its reverse (52181103), we get a palindrome (82299228).

The spelling of 30118125 in words is "thirty million, one hundred eighteen thousand, one hundred twenty-five".