115231401 has 6 divisors (see below), whose sum is σ = 166445370. Its totient is φ = 76820928.

The previous prime is 115231397. The next prime is 115231453. The reversal of 115231401 is 104132511.

115231401 is a `hidden beast` number, since 1 + 1 + 523 + 140 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 92621376 + 22610025 = 9624^2 + 4755^2 .

It is not a de Polignac number, because 115231401 - 2² = 115231397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115231481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6401736 + ... + 6401753.

It is an arithmetic number, because the mean of its divisors is an integer number (27740895).

Almost surely, 2^115231401 is an apocalyptic number.

It is an amenable number.

115231401 is a deficient number, since it is larger than the sum of its proper divisors (51213969).

115231401 is a wasteful number, since it uses less digits than its factorization.

115231401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12803495 (or 12803492 counting only the distinct ones).

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

The square root of 115231401 is about 10734.5890000503. The cubic root of 115231401 is about 486.6203656353.

Adding to 115231401 its reverse (104132511), we get a palindrome (219363912).

The spelling of 115231401 in words is "one hundred fifteen million, two hundred thirty-one thousand, four hundred one".