30120938 has 8 divisors (see below), whose sum is σ = 47145888. Its totient is φ = 14405644.

The previous prime is 30120919. The next prime is 30120953. The reversal of 30120938 is 83902103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327356 + ... + 327447.

It is an arithmetic number, because the mean of its divisors is an integer number (5893236).

Almost surely, 2^30120938 is an apocalyptic number.

30120938 is a deficient number, since it is larger than the sum of its proper divisors (17024950).

30120938 is a wasteful number, since it uses less digits than its factorization.

30120938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654828.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 30120938 is about 5488.2545494902. The cubic root of 30120938 is about 311.1402268764.

The spelling of 30120938 in words is "thirty million, one hundred twenty thousand, nine hundred thirty-eight".