120687057 has 16 divisors (see below), whose sum is σ = 180535680. Its totient is φ = 79675056.

The previous prime is 120687043. The next prime is 120687079. The reversal of 120687057 is 750786021.

It is not a de Polignac number, because 120687057 - 2⁴ = 120687041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120687157) 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 15 ways as a sum of consecutive naturals, for example, 18918 + ... + 24479.

It is an arithmetic number, because the mean of its divisors is an integer number (11283480).

Almost surely, 2^120687057 is an apocalyptic number.

It is an amenable number.

120687057 is a deficient number, since it is larger than the sum of its proper divisors (59848623).

120687057 is a wasteful number, since it uses less digits than its factorization.

120687057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43509 (or 43503 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 120687057 is about 10985.7661089248. The cubic root of 120687057 is about 494.1819730405.

The spelling of 120687057 in words is "one hundred twenty million, six hundred eighty-seven thousand, fifty-seven".