115122231 has 12 divisors (see below), whose sum is σ = 190043152. Its totient is φ = 65784096.

The previous prime is 115122229. The next prime is 115122299. The reversal of 115122231 is 132221511.

It is not a de Polignac number, because 115122231 - 2¹ = 115122229 is a prime.

It is a super-2 number, since 2×115122231² = 26506256140834722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115122221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 913606 + ... + 913731.

Almost surely, 2^115122231 is an apocalyptic number.

115122231 is a deficient number, since it is larger than the sum of its proper divisors (74920921).

115122231 is a wasteful number, since it uses less digits than its factorization.

115122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827350 (or 1827347 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 115122231 is about 10729.5028309796. The cubic root of 115122231 is about 486.4666426908.

Adding to 115122231 its reverse (132221511), we get a palindrome (247343742).

The spelling of 115122231 in words is "one hundred fifteen million, one hundred twenty-two thousand, two hundred thirty-one".