120900992 has 32 divisors (see below), whose sum is σ = 248635200. Its totient is φ = 58498560.

The previous prime is 120900979. The next prime is 120901007. The reversal of 120900992 is 299009021.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 11267 + ... + 19202.

It is an arithmetic number, because the mean of its divisors is an integer number (7769850).

Almost surely, 2^120900992 is an apocalyptic number.

It is an amenable number.

120900992 is an abundant number, since it is smaller than the sum of its proper divisors (127734208).

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

120900992 is an equidigital number, since it uses as much as digits as its factorization.

120900992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30514 (or 30502 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 120900992 is about 10995.4987153835. The cubic root of 120900992 is about 494.4738033187.

The spelling of 120900992 in words is "one hundred twenty million, nine hundred thousand, nine hundred ninety-two".