120111984 has 60 divisors (see below), whose sum is σ = 348607896. Its totient is φ = 40036032.

The previous prime is 120111983. The next prime is 120112009. The reversal of 120111984 is 489111021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11559 + ... + 19334.

Almost surely, 2^120111984 is an apocalyptic number.

It is an amenable number.

120111984 is an abundant number, since it is smaller than the sum of its proper divisors (228495912).

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

120111984 is an equidigital number, since it uses as much as digits as its factorization.

120111984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30916 (or 30898 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 120111984 is about 10959.5613050888. The cubic root of 120111984 is about 493.3957984373.

The spelling of 120111984 in words is "one hundred twenty million, one hundred eleven thousand, nine hundred eighty-four".