120106657 has 24 divisors (see below), whose sum is σ = 140767200. Its totient is φ = 102104640.

The previous prime is 120106643. The next prime is 120106663. The reversal of 120106657 is 756601021.

It is not a de Polignac number, because 120106657 - 2²³ = 111718049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120106627) 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 23 ways as a sum of consecutive naturals, for example, 204318 + ... + 204904.

It is an arithmetic number, because the mean of its divisors is an integer number (5865300).

Almost surely, 2^120106657 is an apocalyptic number.

It is an amenable number.

120106657 is a deficient number, since it is larger than the sum of its proper divisors (20660543).

120106657 is a wasteful number, since it uses less digits than its factorization.

120106657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 120106657 is about 10959.3182725934. The cubic root of 120106657 is about 493.3885042490.

Adding to 120106657 its reverse (756601021), we get a palindrome (876707678).

The spelling of 120106657 in words is "one hundred twenty million, one hundred six thousand, six hundred fifty-seven".