115124328 has 160 divisors (see below), whose sum is σ = 363813120. Its totient is φ = 33696000.

The previous prime is 115124311. The next prime is 115124341. The reversal of 115124328 is 823421511.

It is a super-2 number, since 2×115124328² = 26507221794903168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 39 ways as a sum of consecutive naturals, for example, 220708 + ... + 221228.

It is an arithmetic number, because the mean of its divisors is an integer number (2273832).

Almost surely, 2^115124328 is an apocalyptic number.

115124328 is a gapful number since it is divisible by the number (18) 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 115124328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181906560).

115124328 is an abundant number, since it is smaller than the sum of its proper divisors (248688792).

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

115124328 is a wasteful number, since it uses less digits than its factorization.

115124328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581 (or 568 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 115124328 is about 10729.6005517447. The cubic root of 115124328 is about 486.4695964046.

Adding to 115124328 its reverse (823421511), we get a palindrome (938545839).

The spelling of 115124328 in words is "one hundred fifteen million, one hundred twenty-four thousand, three hundred twenty-eight".