115210128 has 160 divisors (see below), whose sum is σ = 347120640. Its totient is φ = 32581120.

The previous prime is 115210111. The next prime is 115210153. The reversal of 115210128 is 821012511.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 643543 + ... + 643721.

It is an arithmetic number, because the mean of its divisors is an integer number (2169504).

Almost surely, 2^115210128 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 115210128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173560320).

115210128 is an abundant number, since it is smaller than the sum of its proper divisors (231910512).

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

115210128 is a wasteful number, since it uses less digits than its factorization.

115210128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 115210128 is about 10733.5980919727. The cubic root of 115210128 is about 486.5904186127.

Adding to 115210128 its reverse (821012511), we get a palindrome (936222639).

The spelling of 115210128 in words is "one hundred fifteen million, two hundred ten thousand, one hundred twenty-eight".