30108125 has 20 divisors (see below), whose sum is σ = 38237760. Its totient is φ = 23694000.

The previous prime is 30108107. The next prime is 30108131. The reversal of 30108125 is 52180103.

It is not a de Polignac number, because 30108125 - 2²⁰ = 29059549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30108097 and 30108106.

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, 41516 + ... + 42234.

It is an arithmetic number, because the mean of its divisors is an integer number (1911888).

Almost surely, 2^30108125 is an apocalyptic number.

It is an amenable number.

30108125 is a deficient number, since it is larger than the sum of its proper divisors (8129635).

30108125 is an frugal number, since it uses more digits than its factorization.

30108125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 30108125 is about 5487.0871143076. The cubic root of 30108125 is about 311.0961024742.

Adding to 30108125 its reverse (52180103), we get a palindrome (82288228).

The spelling of 30108125 in words is "thirty million, one hundred eight thousand, one hundred twenty-five".