120081265 has 4 divisors (see below), whose sum is σ = 144097524. Its totient is φ = 96065008.

The previous prime is 120081239. The next prime is 120081271. The reversal of 120081265 is 562180021.

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 87179569 + 32901696 = 9337^2 + 5736^2 .

It is a cyclic number.

It is not a de Polignac number, because 120081265 - 2⁵ = 120081233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 12008122 + ... + 12008131.

It is an arithmetic number, because the mean of its divisors is an integer number (36024381).

Almost surely, 2^120081265 is an apocalyptic number.

It is an amenable number.

120081265 is a deficient number, since it is larger than the sum of its proper divisors (24016259).

120081265 is an equidigital number, since it uses as much as digits as its factorization.

120081265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24016258.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 120081265 is about 10958.1597451397. The cubic root of 120081265 is about 493.3537323661.

The spelling of 120081265 in words is "one hundred twenty million, eighty-one thousand, two hundred sixty-five".