120585870 has 24 divisors (see below), whose sum is σ = 313523496. Its totient is φ = 32156208.

The previous prime is 120585869. The next prime is 120585887. The reversal of 120585870 is 78585021.

120585870 is a `hidden beast` number, since 1 + 2 + 0 + 585 + 8 + 70 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 669832 + ... + 670011.

It is an arithmetic number, because the mean of its divisors is an integer number (13063479).

Almost surely, 2^120585870 is an apocalyptic number.

120585870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120585870 is an abundant number, since it is smaller than the sum of its proper divisors (192937626).

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

120585870 is a wasteful number, since it uses less digits than its factorization.

120585870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339856 (or 1339853 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 120585870 is about 10981.1597748143. The cubic root of 120585870 is about 494.0438229794.

The spelling of 120585870 in words is "one hundred twenty million, five hundred eighty-five thousand, eight hundred seventy".