115104021 has 8 divisors (see below), whose sum is σ = 153522720. Its totient is φ = 76710672.

The previous prime is 115104007. The next prime is 115104047. The reversal of 115104021 is 120401511.

It is a happy number.

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

It is not a de Polignac number, because 115104021 - 2⁹ = 115103509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115104001) 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, 11175 + ... + 18843.

It is an arithmetic number, because the mean of its divisors is an integer number (19190340).

Almost surely, 2^115104021 is an apocalyptic number.

It is an amenable number.

115104021 is a deficient number, since it is larger than the sum of its proper divisors (38418699).

115104021 is an equidigital number, since it uses as much as digits as its factorization.

115104021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12675.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 115104021 is about 10728.6542026482. The cubic root of 115104021 is about 486.4409916224.

Adding to 115104021 its reverse (120401511), we get a palindrome (235505532).

The spelling of 115104021 in words is "one hundred fifteen million, one hundred four thousand, twenty-one".