115221235 has 8 divisors (see below), whose sum is σ = 138336336. Its totient is φ = 92129760.

The previous prime is 115221233. The next prime is 115221251. The reversal of 115221235 is 532122511.

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

It is not a de Polignac number, because 115221235 - 2¹ = 115221233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115221233) 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, 7665 + ... + 17005.

It is an arithmetic number, because the mean of its divisors is an integer number (17292042).

Almost surely, 2^115221235 is an apocalyptic number.

115221235 is a deficient number, since it is larger than the sum of its proper divisors (23115101).

115221235 is an equidigital number, since it uses as much as digits as its factorization.

115221235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11813.

The product of its digits is 600, while the sum is 22.

The square root of 115221235 is about 10734.1154735730. The cubic root of 115221235 is about 486.6060549293.

Adding to 115221235 its reverse (532122511), we get a palindrome (647343746).

The spelling of 115221235 in words is "one hundred fifteen million, two hundred twenty-one thousand, two hundred thirty-five".