115240203 has 12 divisors (see below), whose sum is σ = 179262720. Its totient is φ = 70916976.

The previous prime is 115240159. The next prime is 115240207. The reversal of 115240203 is 302042511.

It is a de Polignac number, because none of the positive numbers 2^k-115240203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115240207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 492363 + ... + 492596.

It is an arithmetic number, because the mean of its divisors is an integer number (14938560).

Almost surely, 2^115240203 is an apocalyptic number.

115240203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115240203 is a deficient number, since it is larger than the sum of its proper divisors (64022517).

115240203 is a wasteful number, since it uses less digits than its factorization.

115240203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984978 (or 984975 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 115240203 is about 10734.9989753143. The cubic root of 115240203 is about 486.6327555550.

Adding to 115240203 its reverse (302042511), we get a palindrome (417282714).

The spelling of 115240203 in words is "one hundred fifteen million, two hundred forty thousand, two hundred three".