115002720 has 192 divisors, whose sum is σ = 460131840. Its totient is φ = 26279424.

The previous prime is 115002709. The next prime is 115002721. The reversal of 115002720 is 27200511.

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 = 115002693 and 115002702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115002721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28339 + ... + 32141.

It is an arithmetic number, because the mean of its divisors is an integer number (2396520).

Almost surely, 2^115002720 is an apocalyptic number.

115002720 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 115002720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230065920).

115002720 is an abundant number, since it is smaller than the sum of its proper divisors (345129120).

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

115002720 is a wasteful number, since it uses less digits than its factorization.

115002720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834 (or 3820 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 115002720 is about 10723.9321146676. The cubic root of 115002720 is about 486.2982470525.

The spelling of 115002720 in words is "one hundred fifteen million, two thousand, seven hundred twenty".