115247 has 4 divisors (see below), whose sum is σ = 125736. Its totient is φ = 104760.

The previous prime is 115237. The next prime is 115249. The reversal of 115247 is 742511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115247 - 2⁶ = 115183 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5228 + ... + 5249.

It is an arithmetic number, because the mean of its divisors is an integer number (31434).

2¹¹⁵²⁴⁷ is an apocalyptic number.

115247 is a deficient number, since it is larger than the sum of its proper divisors (10489).

115247 is a wasteful number, since it uses less digits than its factorization.

115247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10488.

The product of its digits is 280, while the sum is 20.

The square root of 115247 is about 339.4804854480. The cubic root of 115247 is about 48.6642322754.

Adding to 115247 its reverse (742511), we get a palindrome (857758).

Subtracting 115247 from its reverse (742511), we obtain a square (627264 = 792²).

The spelling of 115247 in words is "one hundred fifteen thousand, two hundred forty-seven".