115130205 has 24 divisors (see below), whose sum is σ = 211299192. Its totient is φ = 57790464.

The previous prime is 115130189. The next prime is 115130233. The reversal of 115130205 is 502031511.

It can be written as a sum of positive squares in 4 ways, for example, as 4186116 + 110944089 = 2046^2 + 10533^2 .

It is not a de Polignac number, because 115130205 - 2⁴ = 115130189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74484 + ... + 76013.

It is an arithmetic number, because the mean of its divisors is an integer number (8804133).

Almost surely, 2^115130205 is an apocalyptic number.

115130205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115130205 is a deficient number, since it is larger than the sum of its proper divisors (96168987).

115130205 is a wasteful number, since it uses less digits than its factorization.

115130205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150525 (or 150522 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 115130205 is about 10729.8744167861. The cubic root of 115130205 is about 486.4778742182.

Adding to 115130205 its reverse (502031511), we get a palindrome (617161716).

The spelling of 115130205 in words is "one hundred fifteen million, one hundred thirty thousand, two hundred five".