120868785 has 48 divisors (see below), whose sum is σ = 221707200. Its totient is φ = 60746112.

The previous prime is 120868777. The next prime is 120868807. The reversal of 120868785 is 587868021.

It is not a de Polignac number, because 120868785 - 2³ = 120868777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 120868785.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 318726 + ... + 319104.

It is an arithmetic number, because the mean of its divisors is an integer number (4618900).

Almost surely, 2^120868785 is an apocalyptic number.

120868785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120868785 is a deficient number, since it is larger than the sum of its proper divisors (100838415).

120868785 is a wasteful number, since it uses less digits than its factorization.

120868785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 120868785 is about 10994.0340639822. The cubic root of 120868785 is about 494.4298915419.

The spelling of 120868785 in words is "one hundred twenty million, eight hundred sixty-eight thousand, seven hundred eighty-five".