120081930 has 32 divisors (see below), whose sum is σ = 291057408. Its totient is φ = 31704000.

The previous prime is 120081917. The next prime is 120081979. The reversal of 120081930 is 39180021.

It is a self number, because there is not a number n which added to its sum of digits gives 120081930.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16786 + ... + 22845.

It is an arithmetic number, because the mean of its divisors is an integer number (9095544).

Almost surely, 2^120081930 is an apocalyptic number.

120081930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120081930 is an abundant number, since it is smaller than the sum of its proper divisors (170975478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120081930 is a wasteful number, since it uses less digits than its factorization.

120081930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39742.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 120081930 is about 10958.1900877837. The cubic root of 120081930 is about 493.3546430816.

The spelling of 120081930 in words is "one hundred twenty million, eighty-one thousand, nine hundred thirty".