115271910 has 192 divisors, whose sum is σ = 346731840. Its totient is φ = 27371520.

The previous prime is 115271887. The next prime is 115271911. The reversal of 115271910 is 19172511.

It is a super-2 number, since 2×115271910² = 26575226470096200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115271911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1295146 + ... + 1295234.

It is an arithmetic number, because the mean of its divisors is an integer number (1805895).

Almost surely, 2^115271910 is an apocalyptic number.

115271910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115271910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173365920).

115271910 is an abundant number, since it is smaller than the sum of its proper divisors (231459930).

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

115271910 is a wasteful number, since it uses less digits than its factorization.

115271910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 27.

The square root of 115271910 is about 10736.4756787318. The cubic root of 115271910 is about 486.6773819079.

The spelling of 115271910 in words is "one hundred fifteen million, two hundred seventy-one thousand, nine hundred ten".