120489972 has 12 divisors (see below), whose sum is σ = 281143296. Its totient is φ = 40163320.

The previous prime is 120489961. The next prime is 120489989. The reversal of 120489972 is 279984021.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5020404 + ... + 5020427.

It is an arithmetic number, because the mean of its divisors is an integer number (23428608).

Almost surely, 2^120489972 is an apocalyptic number.

120489972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120489972 is an abundant number, since it is smaller than the sum of its proper divisors (160653324).

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

120489972 is a wasteful number, since it uses less digits than its factorization.

120489972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10040838 (or 10040836 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 120489972 is about 10976.7924276630. The cubic root of 120489972 is about 493.9128226131.

The spelling of 120489972 in words is "one hundred twenty million, four hundred eighty-nine thousand, nine hundred seventy-two".