120259165 has 8 divisors (see below), whose sum is σ = 155411928. Its totient is φ = 88806720.

The previous prime is 120259129. The next prime is 120259187. The reversal of 120259165 is 561952021.

It can be written as a sum of positive squares in 4 ways, for example, as 4072324 + 116186841 = 2018^2 + 10779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120259165 - 2¹¹ = 120257117 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 925006 + ... + 925135.

It is an arithmetic number, because the mean of its divisors is an integer number (19426491).

Almost surely, 2^120259165 is an apocalyptic number.

It is an amenable number.

120259165 is a deficient number, since it is larger than the sum of its proper divisors (35152763).

120259165 is a wasteful number, since it uses less digits than its factorization.

120259165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850159.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 120259165 is about 10966.2739797982. The cubic root of 120259165 is about 493.5972461291.

The spelling of 120259165 in words is "one hundred twenty million, two hundred fifty-nine thousand, one hundred sixty-five".