115051247 has 2 divisors, whose sum is σ = 115051248. Its totient is φ = 115051246.

The previous prime is 115051229. The next prime is 115051259. The reversal of 115051247 is 742150511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115051247 - 2¹² = 115047151 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 (115071247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57525623 + 57525624.

It is an arithmetic number, because the mean of its divisors is an integer number (57525624).

Almost surely, 2^115051247 is an apocalyptic number.

115051247 is a deficient number, since it is larger than the sum of its proper divisors (1).

115051247 is an equidigital number, since it uses as much as digits as its factorization.

115051247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 115051247 is about 10726.1944323231. The cubic root of 115051247 is about 486.3666375409.

The spelling of 115051247 in words is "one hundred fifteen million, fifty-one thousand, two hundred forty-seven".