115401225 has 24 divisors (see below), whose sum is σ = 193221760. Its totient is φ = 60765120.

The previous prime is 115401211. The next prime is 115401241. The reversal of 115401225 is 522104511.

It is not a de Polignac number, because 115401225 - 2⁶ = 115401161 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3814 + ... + 15663.

Almost surely, 2^115401225 is an apocalyptic number.

115401225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115401225 is a deficient number, since it is larger than the sum of its proper divisors (77820535).

115401225 is a wasteful number, since it uses less digits than its factorization.

115401225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19569 (or 19564 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 115401225 is about 10742.4962182912. The cubic root of 115401225 is about 486.8593029743.

Adding to 115401225 its reverse (522104511), we get a palindrome (637505736).

The spelling of 115401225 in words is "one hundred fifteen million, four hundred one thousand, two hundred twenty-five".