115984243 has 2 divisors, whose sum is σ = 115984244. Its totient is φ = 115984242.

The previous prime is 115984229. The next prime is 115984247. The reversal of 115984243 is 342489511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115984243 - 2²⁵ = 82429811 is a prime.

It is not a weakly prime, because it can be changed into another prime (115984247) 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, 57992121 + 57992122.

It is an arithmetic number, because the mean of its divisors is an integer number (57992122).

Almost surely, 2^115984243 is an apocalyptic number.

115984243 is a deficient number, since it is larger than the sum of its proper divisors (1).

115984243 is an equidigital number, since it uses as much as digits as its factorization.

115984243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The square root of 115984243 is about 10769.5980890653. The cubic root of 115984243 is about 487.6778126727.

The spelling of 115984243 in words is "one hundred fifteen million, nine hundred eighty-four thousand, two hundred forty-three".