115131624 has 64 divisors (see below), whose sum is σ = 301492800. Its totient is φ = 36589056.

The previous prime is 115131589. The next prime is 115131671. The reversal of 115131624 is 426131511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 115131594 and 115131603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56772 + ... + 58764.

It is an arithmetic number, because the mean of its divisors is an integer number (4710825).

Almost surely, 2^115131624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115131624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150746400).

115131624 is an abundant number, since it is smaller than the sum of its proper divisors (186361176).

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

115131624 is a wasteful number, since it uses less digits than its factorization.

115131624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114 (or 2110 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 115131624 is about 10729.9405403758. The cubic root of 115131624 is about 486.4798728517.

The spelling of 115131624 in words is "one hundred fifteen million, one hundred thirty-one thousand, six hundred twenty-four".