120665670 has 16 divisors (see below), whose sum is σ = 289597680. Its totient is φ = 32177504.

The previous prime is 120665663. The next prime is 120665681. The reversal of 120665670 is 76566021.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2011065 + ... + 2011124.

It is an arithmetic number, because the mean of its divisors is an integer number (18099855).

Almost surely, 2^120665670 is an apocalyptic number.

120665670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120665670 is an abundant number, since it is smaller than the sum of its proper divisors (168932010).

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

120665670 is a wasteful number, since it uses less digits than its factorization.

120665670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022199.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 120665670 is about 10984.7926698686. The cubic root of 120665670 is about 494.1527799232.

The spelling of 120665670 in words is "one hundred twenty million, six hundred sixty-five thousand, six hundred seventy".