115127120 has 20 divisors (see below), whose sum is σ = 267670740. Its totient is φ = 46050816.

The previous prime is 115127093. The next prime is 115127153. The reversal of 115127120 is 21721511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80928016 + 34199104 = 8996^2 + 5848^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 115127092 and 115127101.

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, 719465 + ... + 719624.

It is an arithmetic number, because the mean of its divisors is an integer number (13383537).

Almost surely, 2^115127120 is an apocalyptic number.

115127120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115127120 is an abundant number, since it is smaller than the sum of its proper divisors (152543620).

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

115127120 is a wasteful number, since it uses less digits than its factorization.

115127120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439102 (or 1439096 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 115127120 is about 10729.7306583157. The cubic root of 115127120 is about 486.4735289998.

Adding to 115127120 its reverse (21721511), we get a palindrome (136848631).

The spelling of 115127120 in words is "one hundred fifteen million, one hundred twenty-seven thousand, one hundred twenty".