120521980 has 12 divisors (see below), whose sum is σ = 253096200. Its totient is φ = 48208784.

The previous prime is 120521977. The next prime is 120521981. The reversal of 120521980 is 89125021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120521981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3013030 + ... + 3013069.

It is an arithmetic number, because the mean of its divisors is an integer number (21091350).

Almost surely, 2^120521980 is an apocalyptic number.

120521980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120521980 is an abundant number, since it is smaller than the sum of its proper divisors (132574220).

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

120521980 is a wasteful number, since it uses less digits than its factorization.

120521980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026108 (or 6026106 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 120521980 is about 10978.2503159657. The cubic root of 120521980 is about 493.9565545012.

The spelling of 120521980 in words is "one hundred twenty million, five hundred twenty-one thousand, nine hundred eighty".