120985677 has 8 divisors (see below), whose sum is σ = 179238080. Its totient is φ = 80657100.

The previous prime is 120985663. The next prime is 120985687. The reversal of 120985677 is 776589021.

It is not a de Polignac number, because 120985677 - 2¹⁶ = 120920141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120985607) 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 7 ways as a sum of consecutive naturals, for example, 2240449 + ... + 2240502.

It is an arithmetic number, because the mean of its divisors is an integer number (22404760).

Almost surely, 2^120985677 is an apocalyptic number.

It is an amenable number.

120985677 is a deficient number, since it is larger than the sum of its proper divisors (58252403).

120985677 is an equidigital number, since it uses as much as digits as its factorization.

120985677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480960 (or 4480954 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 120985677 is about 10999.3489352779. The cubic root of 120985677 is about 494.5892276290.

The spelling of 120985677 in words is "one hundred twenty million, nine hundred eighty-five thousand, six hundred seventy-seven".