115012540 has 24 divisors (see below), whose sum is σ = 242760672. Its totient is φ = 45769920.

The previous prime is 115012537. The next prime is 115012543. The reversal of 115012540 is 45210511.

It is an interprime number because it is at equal distance from previous prime (115012537) and next prime (115012543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115012543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10656 + ... + 18535.

It is an arithmetic number, because the mean of its divisors is an integer number (10115028).

Almost surely, 2^115012540 is an apocalyptic number.

115012540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115012540 is an abundant number, since it is smaller than the sum of its proper divisors (127748132).

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

115012540 is a wasteful number, since it uses less digits than its factorization.

115012540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29397 (or 29395 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 115012540 is about 10724.3899593403. The cubic root of 115012540 is about 486.3120882117.

It can be divided in two parts, 11501 and 2540, that added together give a palindrome (14041).

The spelling of 115012540 in words is "one hundred fifteen million, twelve thousand, five hundred forty".