115412189 has 2 divisors, whose sum is σ = 115412190. Its totient is φ = 115412188.

The previous prime is 115412173. The next prime is 115412203. The reversal of 115412189 is 981214511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105740089 + 9672100 = 10283^2 + 3110^2 .

It is a cyclic number.

It is not a de Polignac number, because 115412189 - 2⁴ = 115412173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115412149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57706094 + 57706095.

It is an arithmetic number, because the mean of its divisors is an integer number (57706095).

Almost surely, 2^115412189 is an apocalyptic number.

It is an amenable number.

115412189 is a deficient number, since it is larger than the sum of its proper divisors (1).

115412189 is an equidigital number, since it uses as much as digits as its factorization.

115412189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 32.

The square root of 115412189 is about 10743.0065158688. The cubic root of 115412189 is about 486.8747209399.

The spelling of 115412189 in words is "one hundred fifteen million, four hundred twelve thousand, one hundred eighty-nine".