30120118 has 32 divisors (see below), whose sum is σ = 52994304. Its totient is φ = 12573792.

The previous prime is 30120113. The next prime is 30120131. The reversal of 30120118 is 81102103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152796 + ... + 152992.

It is an arithmetic number, because the mean of its divisors is an integer number (1656072).

Almost surely, 2^30120118 is an apocalyptic number.

30120118 is a deficient number, since it is larger than the sum of its proper divisors (22874186).

30120118 is a wasteful number, since it uses less digits than its factorization.

30120118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 30120118 is about 5488.1798439920. The cubic root of 30120118 is about 311.1374033996.

The spelling of 30120118 in words is "thirty million, one hundred twenty thousand, one hundred eighteen".