115247321 has 8 divisors (see below), whose sum is σ = 131781504. Its totient is φ = 98730720.

The previous prime is 115247311. The next prime is 115247329. The reversal of 115247321 is 123742511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115247321 - 2¹⁸ = 114985177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115247329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15941 + ... + 22013.

It is an arithmetic number, because the mean of its divisors is an integer number (16472688).

Almost surely, 2^115247321 is an apocalyptic number.

It is an amenable number.

115247321 is a deficient number, since it is larger than the sum of its proper divisors (16534183).

115247321 is an equidigital number, since it uses as much as digits as its factorization.

115247321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8791.

The product of its digits is 1680, while the sum is 26.

The square root of 115247321 is about 10735.3305025975. The cubic root of 115247321 is about 486.6427745720.

Adding to 115247321 its reverse (123742511), we get a palindrome (238989832).

The spelling of 115247321 in words is "one hundred fifteen million, two hundred forty-seven thousand, three hundred twenty-one".