115873 has 2 divisors, whose sum is σ = 115874. Its totient is φ = 115872.

The previous prime is 115861. The next prime is 115877. The reversal of 115873 is 378511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113569 + 2304 = 337^2 + 48^2 .

It is a cyclic number.

It is not a de Polignac number, because 115873 - 2⁹ = 115361 is a prime.

It is not a weakly prime, because it can be changed into another prime (115877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57936 + 57937.

It is an arithmetic number, because the mean of its divisors is an integer number (57937).

2¹¹⁵⁸⁷³ is an apocalyptic number.

It is an amenable number.

115873 is a deficient number, since it is larger than the sum of its proper divisors (1).

115873 is an equidigital number, since it uses as much as digits as its factorization.

115873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 25.

The square root of 115873 is about 340.4012338403. The cubic root of 115873 is about 48.7521848681.

The spelling of 115873 in words is "one hundred fifteen thousand, eight hundred seventy-three".