115224120 has 320 divisors, whose sum is σ = 437516640. Its totient is φ = 26956800.

The previous prime is 115224103. The next prime is 115224139. The reversal of 115224120 is 21422511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 115224093 and 115224102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1888890 + ... + 1888950.

Almost surely, 2^115224120 is an apocalyptic number.

115224120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115224120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218758320).

115224120 is an abundant number, since it is smaller than the sum of its proper divisors (322292520).

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

115224120 is a wasteful number, since it uses less digits than its factorization.

115224120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 115224120 is about 10734.2498573491. The cubic root of 115224120 is about 486.6101162372.

Adding to 115224120 its reverse (21422511), we get a palindrome (136646631).

The spelling of 115224120 in words is "one hundred fifteen million, two hundred twenty-four thousand, one hundred twenty".