120985977 has 32 divisors (see below), whose sum is σ = 196300800. Its totient is φ = 64741248.

The previous prime is 120985973. The next prime is 120985979. The reversal of 120985977 is 779589021.

It is not a de Polignac number, because 120985977 - 2² = 120985973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120985973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33808 + ... + 37214.

It is an arithmetic number, because the mean of its divisors is an integer number (6134400).

Almost surely, 2^120985977 is an apocalyptic number.

It is an amenable number.

120985977 is a deficient number, since it is larger than the sum of its proper divisors (75314823).

120985977 is a wasteful number, since it uses less digits than its factorization.

120985977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525.

The product of its (nonzero) digits is 317520, while the sum is 48.

The square root of 120985977 is about 10999.3625724403. The cubic root of 120985977 is about 494.5896364285.

The spelling of 120985977 in words is "one hundred twenty million, nine hundred eighty-five thousand, nine hundred seventy-seven".