115772124 has 48 divisors (see below), whose sum is σ = 293092128. Its totient is φ = 35355648.

The previous prime is 115772123. The next prime is 115772143. The reversal of 115772124 is 421277511.

It is a junction number, because it is equal to n+sod(n) for n = 115772091 and 115772100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115772123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18664 + ... + 24080.

It is an arithmetic number, because the mean of its divisors is an integer number (6106086).

Almost surely, 2^115772124 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 115772124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146546064).

115772124 is an abundant number, since it is smaller than the sum of its proper divisors (177320004).

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

115772124 is a wasteful number, since it uses less digits than its factorization.

115772124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574 (or 5572 counting only the distinct ones).

The product of its digits is 3920, while the sum is 30.

The square root of 115772124 is about 10759.7455360245. The cubic root of 115772124 is about 487.3803330208.

The spelling of 115772124 in words is "one hundred fifteen million, seven hundred seventy-two thousand, one hundred twenty-four".