120559980 has 24 divisors (see below), whose sum is σ = 337568112. Its totient is φ = 32149312.

The previous prime is 120559969. The next prime is 120559991. The reversal of 120559980 is 89955021.

It is an interprime number because it is at equal distance from previous prime (120559969) and next prime (120559991).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1004607 + ... + 1004726.

It is an arithmetic number, because the mean of its divisors is an integer number (14065338).

Almost surely, 2^120559980 is an apocalyptic number.

120559980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120559980 is an abundant number, since it is smaller than the sum of its proper divisors (217008132).

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

120559980 is a wasteful number, since it uses less digits than its factorization.

120559980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009345 (or 2009343 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 120559980 is about 10979.9808743003. The cubic root of 120559980 is about 494.0084630872.

The spelling of 120559980 in words is "one hundred twenty million, five hundred fifty-nine thousand, nine hundred eighty".