115049920 has 56 divisors (see below), whose sum is σ = 275892768. Its totient is φ = 45696000.

The previous prime is 115049917. The next prime is 115049927. The reversal of 115049920 is 29940511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115049927) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47130 + ... + 49510.

Almost surely, 2^115049920 is an apocalyptic number.

115049920 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 115049920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137946384).

115049920 is an abundant number, since it is smaller than the sum of its proper divisors (160842848).

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

115049920 is a wasteful number, since it uses less digits than its factorization.

115049920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549 (or 2539 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 115049920 is about 10726.1325742320. The cubic root of 115049920 is about 486.3647676177.

The spelling of 115049920 in words is "one hundred fifteen million, forty-nine thousand, nine hundred twenty".