115041021 has 8 divisors (see below), whose sum is σ = 154275360. Its totient is φ = 76250352.

The previous prime is 115041013. The next prime is 115041037. The reversal of 115041021 is 120140511.

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 115041021 - 2³ = 115041013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115041001) 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, 110311 + ... + 111348.

It is an arithmetic number, because the mean of its divisors is an integer number (19284420).

Almost surely, 2^115041021 is an apocalyptic number.

It is an amenable number.

115041021 is a deficient number, since it is larger than the sum of its proper divisors (39234339).

115041021 is a wasteful number, since it uses less digits than its factorization.

115041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221835.

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

The square root of 115041021 is about 10725.7177382215. The cubic root of 115041021 is about 486.3522273463.

Adding to 115041021 its reverse (120140511), we get a palindrome (235181532).

The spelling of 115041021 in words is "one hundred fifteen million, forty-one thousand, twenty-one".