115203225 has 24 divisors (see below), whose sum is σ = 197040960. Its totient is φ = 59321920.

The previous prime is 115203211. The next prime is 115203233. The reversal of 115203225 is 522302511.

It is not a de Polignac number, because 115203225 - 2⁹ = 115202713 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24309 + ... + 28658.

It is an arithmetic number, because the mean of its divisors is an integer number (8210040).

Almost surely, 2^115203225 is an apocalyptic number.

115203225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115203225 is a deficient number, since it is larger than the sum of its proper divisors (81837735).

115203225 is a wasteful number, since it uses less digits than its factorization.

115203225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53009 (or 53004 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 115203225 is about 10733.2765267648. The cubic root of 115203225 is about 486.5807001362.

Adding to 115203225 its reverse (522302511), we get a palindrome (637505736).

The spelling of 115203225 in words is "one hundred fifteen million, two hundred three thousand, two hundred twenty-five".