30120124 has 24 divisors (see below), whose sum is σ = 57114288. Its totient is φ = 13843200.

The previous prime is 30120113. The next prime is 30120131. The reversal of 30120124 is 42102103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2227 + ... + 8074.

It is an arithmetic number, because the mean of its divisors is an integer number (2379762).

Almost surely, 2^30120124 is an apocalyptic number.

30120124 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30120124 is a deficient number, since it is larger than the sum of its proper divisors (26994164).

30120124 is a wasteful number, since it uses less digits than its factorization.

30120124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10365 (or 10363 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30120124 is about 5488.1803906213. The cubic root of 30120124 is about 311.1374240594.

Adding to 30120124 its reverse (42102103), we get a palindrome (72222227).

The spelling of 30120124 in words is "thirty million, one hundred twenty thousand, one hundred twenty-four".