115047321 has 16 divisors (see below), whose sum is σ = 159010560. Its totient is φ = 73902080.

The previous prime is 115047307. The next prime is 115047341. The reversal of 115047321 is 123740511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115047321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115047291 and 115047300.

It is not an unprimeable number, because it can be changed into a prime (115047341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54736 + ... + 56798.

It is an arithmetic number, because the mean of its divisors is an integer number (9938160).

Almost surely, 2^115047321 is an apocalyptic number.

It is an amenable number.

115047321 is a deficient number, since it is larger than the sum of its proper divisors (43963239).

115047321 is a wasteful number, since it uses less digits than its factorization.

115047321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 115047321 is about 10726.0114208405. The cubic root of 115047321 is about 486.3611052320.

Adding to 115047321 its reverse (123740511), we get a palindrome (238787832).

The spelling of 115047321 in words is "one hundred fifteen million, forty-seven thousand, three hundred twenty-one".