115243307 has 2 divisors, whose sum is σ = 115243308. Its totient is φ = 115243306.

The previous prime is 115243291. The next prime is 115243309. The reversal of 115243307 is 703342511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115243307 - 2⁴ = 115243291 is a prime.

Together with 115243309, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115243309) 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, 57621653 + 57621654.

It is an arithmetic number, because the mean of its divisors is an integer number (57621654).

Almost surely, 2^115243307 is an apocalyptic number.

115243307 is a deficient number, since it is larger than the sum of its proper divisors (1).

115243307 is an equidigital number, since it uses as much as digits as its factorization.

115243307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 115243307 is about 10735.1435481786. The cubic root of 115243307 is about 486.6371246741.

Adding to 115243307 its reverse (703342511), we get a palindrome (818585818).

The spelling of 115243307 in words is "one hundred fifteen million, two hundred forty-three thousand, three hundred seven".