115210247 has 2 divisors, whose sum is σ = 115210248. Its totient is φ = 115210246.

The previous prime is 115210223. The next prime is 115210253. The reversal of 115210247 is 742012511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115210247 - 2¹⁴ = 115193863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115210747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57605123 + 57605124.

It is an arithmetic number, because the mean of its divisors is an integer number (57605124).

Almost surely, 2^115210247 is an apocalyptic number.

115210247 is a deficient number, since it is larger than the sum of its proper divisors (1).

115210247 is an equidigital number, since it uses as much as digits as its factorization.

115210247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 115210247 is about 10733.6036353128. The cubic root of 115210247 is about 486.5905861450.

Adding to 115210247 its reverse (742012511), we get a palindrome (857222758).

The spelling of 115210247 in words is "one hundred fifteen million, two hundred ten thousand, two hundred forty-seven".