115272530 has 8 divisors (see below), whose sum is σ = 207490572. Its totient is φ = 46109008.

The previous prime is 115272517. The next prime is 115272557. The reversal of 115272530 is 35272511.

It can be written as a sum of positive squares in 2 ways, for example, as 102434641 + 12837889 = 10121^2 + 3583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 115272530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5763617 + ... + 5763636.

Almost surely, 2^115272530 is an apocalyptic number.

115272530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115272530 is a deficient number, since it is larger than the sum of its proper divisors (92218042).

115272530 is a wasteful number, since it uses less digits than its factorization.

115272530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11527260.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 115272530 is about 10736.5045522274. The cubic root of 115272530 is about 486.6782544519.

The spelling of 115272530 in words is "one hundred fifteen million, two hundred seventy-two thousand, five hundred thirty".