120115664 has 40 divisors (see below), whose sum is σ = 236770560. Its totient is φ = 59024000.

The previous prime is 120115661. The next prime is 120115717. The reversal of 120115664 is 466511021.

Together with 116654896 it forms an amicable pair .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120115661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386069 + ... + 386379.

It is an arithmetic number, because the mean of its divisors is an integer number (5919264).

Almost surely, 2^120115664 is an apocalyptic number.

It is an amenable number.

120115664 is a deficient number, since it is larger than the sum of its proper divisors (116654896).

120115664 is a wasteful number, since it uses less digits than its factorization.

120115664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 120115664 is about 10959.7291937347. The cubic root of 120115664 is about 493.4008372851.

Adding to 120115664 its reverse (466511021), we get a palindrome (586626685).

The spelling of 120115664 in words is "one hundred twenty million, one hundred fifteen thousand, six hundred sixty-four".