120164647 has 4 divisors (see below), whose sum is σ = 120327120. Its totient is φ = 120002176.

The previous prime is 120164623. The next prime is 120164657. The reversal of 120164647 is 746461021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746461021 = 23 ⋅32454827.

It is a cyclic number.

It is not a de Polignac number, because 120164647 - 2²³ = 111776039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120164617) 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 3 ways as a sum of consecutive naturals, for example, 80122 + ... + 81607.

It is an arithmetic number, because the mean of its divisors is an integer number (30081780).

Almost surely, 2^120164647 is an apocalyptic number.

120164647 is a deficient number, since it is larger than the sum of its proper divisors (162473).

120164647 is an equidigital number, since it uses as much as digits as its factorization.

120164647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162472.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 120164647 is about 10961.9636470844. The cubic root of 120164647 is about 493.4678975609.

The spelling of 120164647 in words is "one hundred twenty million, one hundred sixty-four thousand, six hundred forty-seven".