115404173 has 2 divisors, whose sum is σ = 115404174. Its totient is φ = 115404172.

The previous prime is 115404169. The next prime is 115404193. The reversal of 115404173 is 371404511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73582084 + 41822089 = 8578^2 + 6467^2 .

It is an emirp because it is prime and its reverse (371404511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115404173 - 2² = 115404169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115404193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57702086 + 57702087.

It is an arithmetic number, because the mean of its divisors is an integer number (57702087).

Almost surely, 2^115404173 is an apocalyptic number.

It is an amenable number.

115404173 is a deficient number, since it is larger than the sum of its proper divisors (1).

115404173 is an equidigital number, since it uses as much as digits as its factorization.

115404173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 115404173 is about 10742.6334294716. The cubic root of 115404173 is about 486.8634486524.

Adding to 115404173 its reverse (371404511), we get a palindrome (486808684).

The spelling of 115404173 in words is "one hundred fifteen million, four hundred four thousand, one hundred seventy-three".