115440125 has 20 divisors (see below), whose sum is σ = 148871580. Its totient is φ = 89373000.

The previous prime is 115440119. The next prime is 115440161. The reversal of 115440125 is 521044511.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 3694084 + 111746041 = 1922^2 + 10571^2 .

It is not a de Polignac number, because 115440125 - 2¹⁰ = 115439101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115440125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3723860 + ... + 3723890.

It is an arithmetic number, because the mean of its divisors is an integer number (7443579).

Almost surely, 2^115440125 is an apocalyptic number.

It is an amenable number.

115440125 is a deficient number, since it is larger than the sum of its proper divisors (33431455).

115440125 is an frugal number, since it uses more digits than its factorization.

115440125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 115440125 is about 10744.3066318865. The cubic root of 115440125 is about 486.9140011207.

Adding to 115440125 its reverse (521044511), we get a palindrome (636484636).

The spelling of 115440125 in words is "one hundred fifteen million, four hundred forty thousand, one hundred twenty-five".