120685738 has 16 divisors (see below), whose sum is σ = 189967680. Its totient is φ = 57392896.

The previous prime is 120685711. The next prime is 120685757. The reversal of 120685738 is 837586021.

It is a self number, because there is not a number n which added to its sum of digits gives 120685738.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906 + ... + 15562.

It is an arithmetic number, because the mean of its divisors is an integer number (11872980).

Almost surely, 2^120685738 is an apocalyptic number.

120685738 is a deficient number, since it is larger than the sum of its proper divisors (69281942).

120685738 is a wasteful number, since it uses less digits than its factorization.

120685738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14861.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 120685738 is about 10985.7060765342. The cubic root of 120685738 is about 494.1801727138.

The spelling of 120685738 in words is "one hundred twenty million, six hundred eighty-five thousand, seven hundred thirty-eight".