115121593 has 2 divisors, whose sum is σ = 115121594. Its totient is φ = 115121592.

The previous prime is 115121537. The next prime is 115121609. The reversal of 115121593 is 395121511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97456384 + 17665209 = 9872^2 + 4203^2 .

It is a cyclic number.

It is not a de Polignac number, because 115121593 - 2¹⁷ = 114990521 is a prime.

It is not a weakly prime, because it can be changed into another prime (115124593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57560796 + 57560797.

It is an arithmetic number, because the mean of its divisors is an integer number (57560797).

Almost surely, 2^115121593 is an apocalyptic number.

It is an amenable number.

115121593 is a deficient number, since it is larger than the sum of its proper divisors (1).

115121593 is an equidigital number, since it uses as much as digits as its factorization.

115121593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1350, while the sum is 28.

The square root of 115121593 is about 10729.4730998311. The cubic root of 115121593 is about 486.4657440336.

The spelling of 115121593 in words is "one hundred fifteen million, one hundred twenty-one thousand, five hundred ninety-three".