120565015 has 4 divisors (see below), whose sum is σ = 144678024. Its totient is φ = 96452008.

The previous prime is 120565001. The next prime is 120565019. The reversal of 120565015 is 510565021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120565015 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 (120565019) 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 3 ways as a sum of consecutive naturals, for example, 12056497 + ... + 12056506.

It is an arithmetic number, because the mean of its divisors is an integer number (36169506).

Almost surely, 2^120565015 is an apocalyptic number.

120565015 is a deficient number, since it is larger than the sum of its proper divisors (24113009).

120565015 is an equidigital number, since it uses as much as digits as its factorization.

120565015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24113008.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 120565015 is about 10980.2101528158. The cubic root of 120565015 is about 494.0153401564.

It can be divided in two parts, 12056 and 5015, that added together give a palindrome (17071).

The spelling of 120565015 in words is "one hundred twenty million, five hundred sixty-five thousand, fifteen".