120755687 has 16 divisors (see below), whose sum is σ = 132464640. Its totient is φ = 109410912.

The previous prime is 120755671. The next prime is 120755689. The reversal of 120755687 is 786557021.

It is not a de Polignac number, because 120755687 - 2⁴ = 120755671 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 (120755689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315098 + ... + 315480.

It is an arithmetic number, because the mean of its divisors is an integer number (8279040).

Almost surely, 2^120755687 is an apocalyptic number.

120755687 is a deficient number, since it is larger than the sum of its proper divisors (11708953).

120755687 is a wasteful number, since it uses less digits than its factorization.

120755687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782.

The product of its (nonzero) digits is 117600, while the sum is 41.

The square root of 120755687 is about 10988.8892523312. The cubic root of 120755687 is about 494.2756292641.

The spelling of 120755687 in words is "one hundred twenty million, seven hundred fifty-five thousand, six hundred eighty-seven".