120715623 has 32 divisors (see below), whose sum is σ = 216414720. Its totient is φ = 64920960.

The previous prime is 120715619. The next prime is 120715697. The reversal of 120715623 is 326517021.

It is a happy number.

120715623 is a `hidden beast` number, since 1 + 20 + 7 + 15 + 623 = 666.

It is not a de Polignac number, because 120715623 - 2² = 120715619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120715613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15573 + ... + 21998.

It is an arithmetic number, because the mean of its divisors is an integer number (6762960).

Almost surely, 2^120715623 is an apocalyptic number.

120715623 is a deficient number, since it is larger than the sum of its proper divisors (95699097).

120715623 is a wasteful number, since it uses less digits than its factorization.

120715623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37604 (or 37598 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 120715623 is about 10987.0661689097. The cubic root of 120715623 is about 494.2209600674.

The spelling of 120715623 in words is "one hundred twenty million, seven hundred fifteen thousand, six hundred twenty-three".