120886380 has 36 divisors (see below), whose sum is σ = 366689232. Its totient is φ = 32236320.

The previous prime is 120886351. The next prime is 120886387. The reversal of 120886380 is 83688021.

120886380 is a `hidden beast` number, since 12 + 0 + 8 + 8 + 638 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×120886380² = 29227033739008800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (120886387) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 335616 + ... + 335975.

It is an arithmetic number, because the mean of its divisors is an integer number (10185812).

Almost surely, 2^120886380 is an apocalyptic number.

120886380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120886380 is an abundant number, since it is smaller than the sum of its proper divisors (245802852).

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

120886380 is a wasteful number, since it uses less digits than its factorization.

120886380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671606 (or 671601 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 120886380 is about 10994.8342415882. The cubic root of 120886380 is about 494.4538819429.

The spelling of 120886380 in words is "one hundred twenty million, eight hundred eighty-six thousand, three hundred eighty".