115641173 has 2 divisors, whose sum is σ = 115641174. Its totient is φ = 115641172.

The previous prime is 115641151. The next prime is 115641193. The reversal of 115641173 is 371146511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100841764 + 14799409 = 10042^2 + 3847^2 .

It is an emirp because it is prime and its reverse (371146511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115641173 - 2⁶ = 115641109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115641133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57820586 + 57820587.

It is an arithmetic number, because the mean of its divisors is an integer number (57820587).

Almost surely, 2^115641173 is an apocalyptic number.

It is an amenable number.

115641173 is a deficient number, since it is larger than the sum of its proper divisors (1).

115641173 is an equidigital number, since it uses as much as digits as its factorization.

115641173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 29.

The square root of 115641173 is about 10753.6585867322. The cubic root of 115641173 is about 487.1965034468.

Adding to 115641173 its reverse (371146511), we get a palindrome (486787684).

The spelling of 115641173 in words is "one hundred fifteen million, six hundred forty-one thousand, one hundred seventy-three".