115137247 has 2 divisors, whose sum is σ = 115137248. Its totient is φ = 115137246.

The previous prime is 115137233. The next prime is 115137259. The reversal of 115137247 is 742731511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115137247 - 2⁷ = 115137119 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115137227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57568623 + 57568624.

It is an arithmetic number, because the mean of its divisors is an integer number (57568624).

Almost surely, 2^115137247 is an apocalyptic number.

115137247 is a deficient number, since it is larger than the sum of its proper divisors (1).

115137247 is an equidigital number, since it uses as much as digits as its factorization.

115137247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 31.

The square root of 115137247 is about 10730.2025609958. The cubic root of 115137247 is about 486.4877925749.

Adding to 115137247 its reverse (742731511), we get a palindrome (857868758).

The spelling of 115137247 in words is "one hundred fifteen million, one hundred thirty-seven thousand, two hundred forty-seven".