115412188 has 12 divisors (see below), whose sum is σ = 202101480. Its totient is φ = 57668912.

The previous prime is 115412173. The next prime is 115412189. The reversal of 115412188 is 881214511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115412189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1606 + ... + 15277.

It is an arithmetic number, because the mean of its divisors is an integer number (16841790).

Almost surely, 2^115412188 is an apocalyptic number.

It is an amenable number.

115412188 is a deficient number, since it is larger than the sum of its proper divisors (86689292).

115412188 is a wasteful number, since it uses less digits than its factorization.

115412188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18596 (or 18594 counting only the distinct ones).

The product of its digits is 2560, while the sum is 31.

The square root of 115412188 is about 10743.0064693269. The cubic root of 115412188 is about 486.8747195337.

Adding to 115412188 its reverse (881214511), we get a palindrome (996626699).

It can be divided in two parts, 115412 and 188, that added together give a square (115600 = 340²).

The spelling of 115412188 in words is "one hundred fifteen million, four hundred twelve thousand, one hundred eighty-eight".