115040 has 24 divisors (see below), whose sum is σ = 272160. Its totient is φ = 45952.

The previous prime is 115021. The next prime is 115057. The reversal of 115040 is 40511.

115040 is nontrivially palindromic in base 14.

It is a congruent number.

It is an unprimeable number.

115040 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200 + ... + 519.

It is an arithmetic number, because the mean of its divisors is an integer number (11340).

2¹¹⁵⁰⁴⁰ is an apocalyptic number.

115040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115040 is an abundant number, since it is smaller than the sum of its proper divisors (157120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115040 is an equidigital number, since it uses as much as digits as its factorization.

115040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 115040 is about 339.1754708112. The cubic root of 115040 is about 48.6350788535.

Adding to 115040 its reverse (40511), we get a palindrome (155551).

Subtracting from 115040 its reverse (40511), we obtain a square (74529 = 273²).

The spelling of 115040 in words is "one hundred fifteen thousand, forty".