120992000 has 144 divisors (see below), whose sum is σ = 318864000. Its totient is φ = 45619200.

The previous prime is 120991991. The next prime is 120992021. The reversal of 120992000 is 299021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607901 + ... + 608099.

Almost surely, 2^120992000 is an apocalyptic number.

120992000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120992000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159432000).

120992000 is an abundant number, since it is smaller than the sum of its proper divisors (197872000).

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

120992000 is an equidigital number, since it uses as much as digits as its factorization.

120992000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 120992000 is about 10999.6363576256. The cubic root of 120992000 is about 494.5978436164.

The spelling of 120992000 in words is "one hundred twenty million, nine hundred ninety-two thousand".