120002180 has 12 divisors (see below), whose sum is σ = 252004620. Its totient is φ = 48000864.

The previous prime is 120002177. The next prime is 120002191. The reversal of 120002180 is 81200021.

It can be written as a sum of positive squares in 2 ways, for example, as 26956864 + 93045316 = 5192^2 + 9646^2 .

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, 3000035 + ... + 3000074.

It is an arithmetic number, because the mean of its divisors is an integer number (21000385).

Almost surely, 2^120002180 is an apocalyptic number.

120002180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120002180 is an abundant number, since it is smaller than the sum of its proper divisors (132002440).

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

120002180 is a wasteful number, since it uses less digits than its factorization.

120002180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000118 (or 6000116 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 120002180 is about 10954.5506525827. The cubic root of 120002180 is about 493.2454017049.

The spelling of 120002180 in words is "one hundred twenty million, two thousand, one hundred eighty".