115412190 has 48 divisors (see below), whose sum is σ = 281513232. Its totient is φ = 30281856.

The previous prime is 115412189. The next prime is 115412203. The reversal of 115412190 is 91214511.

It is a happy number.

It is a super-2 number, since 2×115412190² = 26639947201192200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115412190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134242 + ... + 135098.

It is an arithmetic number, because the mean of its divisors is an integer number (5864859).

Almost surely, 2^115412190 is an apocalyptic number.

115412190 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 115412190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140756616).

115412190 is an abundant number, since it is smaller than the sum of its proper divisors (166101042).

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

115412190 is an equidigital number, since it uses as much as digits as its factorization.

115412190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 115412190 is about 10743.0065624107. The cubic root of 115412190 is about 486.8747223461.

It can be divided in two parts, 11541 and 2190, that added together give a palindrome (13731).

The spelling of 115412190 in words is "one hundred fifteen million, four hundred twelve thousand, one hundred ninety".