115421952 has 72 divisors (see below), whose sum is σ = 309715056. Its totient is φ = 38158336.

The previous prime is 115421951. The next prime is 115421963. The reversal of 115421952 is 259124511.

It is not an unprimeable number, because it can be changed into a prime (115421951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104668 + ... + 105764.

It is an arithmetic number, because the mean of its divisors is an integer number (4301598).

Almost surely, 2^115421952 is an apocalyptic number.

115421952 is a gapful number since it is divisible by the number (12) 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 115421952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154857528).

115421952 is an abundant number, since it is smaller than the sum of its proper divisors (194293104).

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

115421952 is a wasteful number, since it uses less digits than its factorization.

115421952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253 (or 1239 counting only the distinct ones).

The product of its digits is 3600, while the sum is 30.

The square root of 115421952 is about 10743.4608948886. The cubic root of 115421952 is about 486.8884491949. Note that the first 3 decimals are identical.

The spelling of 115421952 in words is "one hundred fifteen million, four hundred twenty-one thousand, nine hundred fifty-two".