120064645 has 4 divisors (see below), whose sum is σ = 144077580. Its totient is φ = 96051712.

The previous prime is 120064639. The next prime is 120064673. The reversal of 120064645 is 546460021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40373316 + 79691329 = 6354^2 + 8927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120064645 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12006460 + ... + 12006469.

It is an arithmetic number, because the mean of its divisors is an integer number (36019395).

Almost surely, 2^120064645 is an apocalyptic number.

It is an amenable number.

120064645 is a deficient number, since it is larger than the sum of its proper divisors (24012935).

120064645 is an equidigital number, since it uses as much as digits as its factorization.

120064645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24012934.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 120064645 is about 10957.4013798893. The cubic root of 120064645 is about 493.3309702326.

The spelling of 120064645 in words is "one hundred twenty million, sixty-four thousand, six hundred forty-five".