30120952 has 16 divisors (see below), whose sum is σ = 56682000. Its totient is φ = 15005760.

The previous prime is 30120919. The next prime is 30120953. The reversal of 30120952 is 25902103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4452 + ... + 8947.

It is an arithmetic number, because the mean of its divisors is an integer number (3542625).

Almost surely, 2^30120952 is an apocalyptic number.

It is an amenable number.

30120952 is a deficient number, since it is larger than the sum of its proper divisors (26561048).

30120952 is a wasteful number, since it uses less digits than its factorization.

30120952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13686 (or 13682 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 30120952 is about 5488.2558249411. The cubic root of 30120952 is about 311.1402750816.

The spelling of 30120952 in words is "thirty million, one hundred twenty thousand, nine hundred fifty-two".