115228780 has 12 divisors (see below), whose sum is σ = 241980480. Its totient is φ = 46091504.

The previous prime is 115228769. The next prime is 115228793. The reversal of 115228780 is 87822511.

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 3 ways as a sum of consecutive naturals, for example, 2880700 + ... + 2880739.

It is an arithmetic number, because the mean of its divisors is an integer number (20165040).

Almost surely, 2^115228780 is an apocalyptic number.

115228780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115228780 is an abundant number, since it is smaller than the sum of its proper divisors (126751700).

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

115228780 is a wasteful number, since it uses less digits than its factorization.

115228780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761448 (or 5761446 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 115228780 is about 10734.4669173648. The cubic root of 115228780 is about 486.6166761270.

It can be divided in two parts, 11522 and 8780, that added together give a palindrome (20302).

The spelling of 115228780 in words is "one hundred fifteen million, two hundred twenty-eight thousand, seven hundred eighty".