120556080 has 80 divisors (see below), whose sum is σ = 415256160. Its totient is φ = 32147712.

The previous prime is 120556067. The next prime is 120556091. The reversal of 120556080 is 80655021.

120556080 is a `hidden beast` number, since 1 + 2 + 0 + 55 + 608 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25747 + ... + 30066.

It is an arithmetic number, because the mean of its divisors is an integer number (5190702).

Almost surely, 2^120556080 is an apocalyptic number.

120556080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120556080 is an abundant number, since it is smaller than the sum of its proper divisors (294700080).

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

120556080 is a wasteful number, since it uses less digits than its factorization.

120556080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55835 (or 55823 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 120556080 is about 10979.8032769262. The cubic root of 120556080 is about 494.0031361294.

The spelling of 120556080 in words is "one hundred twenty million, five hundred fifty-six thousand, eighty".