115040530 has 32 divisors (see below), whose sum is σ = 239189760. Its totient is φ = 39371520.

The previous prime is 115040491. The next prime is 115040543. The reversal of 115040530 is 35040511.

It is a junction number, because it is equal to n+sod(n) for n = 115040498 and 115040507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28890 + ... + 32629.

It is an arithmetic number, because the mean of its divisors is an integer number (7474680).

Almost surely, 2^115040530 is an apocalyptic number.

115040530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115040530 is an abundant number, since it is smaller than the sum of its proper divisors (124149230).

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

115040530 is a wasteful number, since it uses less digits than its factorization.

115040530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61554.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 115040530 is about 10725.6948492860. The cubic root of 115040530 is about 486.3515354212.

Subtracting from 115040530 its sum of digits (19), we obtain a palindrome (115040511).

The spelling of 115040530 in words is "one hundred fifteen million, forty thousand, five hundred thirty".