120688406 has 16 divisors (see below), whose sum is σ = 200016864. Its totient is φ = 54324864.

The previous prime is 120688357. The next prime is 120688441. The reversal of 120688406 is 604886021.

It is a congruent number.

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, 76385 + ... + 77948.

It is an arithmetic number, because the mean of its divisors is an integer number (12501054).

Almost surely, 2^120688406 is an apocalyptic number.

120688406 is a deficient number, since it is larger than the sum of its proper divisors (79328458).

120688406 is a wasteful number, since it uses less digits than its factorization.

120688406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154375.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 120688406 is about 10985.8275063829. The cubic root of 120688406 is about 494.1838143012.

The spelling of 120688406 in words is "one hundred twenty million, six hundred eighty-eight thousand, four hundred six".