115728026 has 4 divisors (see below), whose sum is σ = 173592042. Its totient is φ = 57864012.

The previous prime is 115728017. The next prime is 115728047. The reversal of 115728026 is 620827511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 110229001 + 5499025 = 10499^2 + 2345^2 .

It is a junction number, because it is equal to n+sod(n) for n = 115727983 and 115728001.

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 as a sum of consecutive naturals, namely, 28932005 + ... + 28932008.

Almost surely, 2^115728026 is an apocalyptic number.

115728026 is a deficient number, since it is larger than the sum of its proper divisors (57864016).

115728026 is an equidigital number, since it uses as much as digits as its factorization.

115728026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57864015.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 115728026 is about 10757.6961288187. The cubic root of 115728026 is about 487.3184435474.

The spelling of 115728026 in words is "one hundred fifteen million, seven hundred twenty-eight thousand, twenty-six".