115304221 has 8 divisors (see below), whose sum is σ = 124199424. Its totient is φ = 106732560.

The previous prime is 115304219. The next prime is 115304227. The reversal of 115304221 is 122403511.

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 115304221 - 2¹ = 115304219 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 (115304227) 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, 80146 + ... + 81571.

It is an arithmetic number, because the mean of its divisors is an integer number (15524928).

Almost surely, 2^115304221 is an apocalyptic number.

It is an amenable number.

115304221 is a deficient number, since it is larger than the sum of its proper divisors (8895203).

115304221 is a wasteful number, since it uses less digits than its factorization.

115304221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161771.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 115304221 is about 10737.9803035766. The cubic root of 115304221 is about 486.7228499491.

Adding to 115304221 its reverse (122403511), we get a palindrome (237707732).

It can be divided in two parts, 11530 and 4221, that added together give a palindrome (15751).

The spelling of 115304221 in words is "one hundred fifteen million, three hundred four thousand, two hundred twenty-one".