120056172 has 96 divisors (see below), whose sum is σ = 303367680. Its totient is φ = 36879360.

The previous prime is 120056141. The next prime is 120056203. The reversal of 120056172 is 271650021.

It is an interprime number because it is at equal distance from previous prime (120056141) and next prime (120056203).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1062388 + ... + 1062500.

It is an arithmetic number, because the mean of its divisors is an integer number (3160080).

Almost surely, 2^120056172 is an apocalyptic number.

120056172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120056172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151683840).

120056172 is an abundant number, since it is smaller than the sum of its proper divisors (183311508).

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

120056172 is a wasteful number, since it uses less digits than its factorization.

120056172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 120056172 is about 10957.0147394261. The cubic root of 120056172 is about 493.3193651187.

The spelling of 120056172 in words is "one hundred twenty million, fifty-six thousand, one hundred seventy-two".