115020724 has 72 divisors (see below), whose sum is σ = 252510720. Its totient is φ = 44883072.

The previous prime is 115020721. The next prime is 115020739. The reversal of 115020724 is 427020511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 115020695 and 115020704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115020721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 515677 + ... + 515899.

Almost surely, 2^115020724 is an apocalyptic number.

115020724 is a gapful number since it is divisible by the number (14) 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 115020724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126255360).

115020724 is an abundant number, since it is smaller than the sum of its proper divisors (137489996).

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

115020724 is a wasteful number, since it uses less digits than its factorization.

115020724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 115020724 is about 10724.7715127176. The cubic root of 115020724 is about 486.3236228488.

The spelling of 115020724 in words is "one hundred fifteen million, twenty thousand, seven hundred twenty-four".