115940120 has 16 divisors (see below), whose sum is σ = 260865360. Its totient is φ = 46376032.

The previous prime is 115940059. The next prime is 115940141. The reversal of 115940120 is 21049511.

It is a happy number.

It is a super-2 number, since 2×115940120² = 26884222851228800, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1449212 + ... + 1449291.

It is an arithmetic number, because the mean of its divisors is an integer number (16304085).

Almost surely, 2^115940120 is an apocalyptic number.

115940120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115940120 is an abundant number, since it is smaller than the sum of its proper divisors (144925240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115940120 is a wasteful number, since it uses less digits than its factorization.

115940120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898514 (or 2898510 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 115940120 is about 10767.5493962182. The cubic root of 115940120 is about 487.6159636469.

Adding to 115940120 its reverse (21049511), we get a palindrome (136989631).

The spelling of 115940120 in words is "one hundred fifteen million, nine hundred forty thousand, one hundred twenty".