115281250 has 112 divisors (see below), whose sum is σ = 269996544. Its totient is φ = 36000000.

The previous prime is 115281247. The next prime is 115281289. The reversal of 115281250 is 52182511.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3718735 + ... + 3718765.

Almost surely, 2^115281250 is an apocalyptic number.

115281250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115281250 is an abundant number, since it is smaller than the sum of its proper divisors (154715294).

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

115281250 is an frugal number, since it uses more digits than its factorization.

115281250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 115281250 is about 10736.9106357462. The cubic root of 115281250 is about 486.6905260294.

The spelling of 115281250 in words is "one hundred fifteen million, two hundred eighty-one thousand, two hundred fifty".