115732081 has 4 divisors (see below), whose sum is σ = 116615664. Its totient is φ = 114848500.

The previous prime is 115732061. The next prime is 115732093. The reversal of 115732081 is 180237511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115732081 - 2⁹ = 115731569 is a prime.

It is a super-2 number, since 2×115732081² = 26787829145181122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115732031) by changing a digit.

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, 441595 + ... + 441856.

It is an arithmetic number, because the mean of its divisors is an integer number (29153916).

Almost surely, 2^115732081 is an apocalyptic number.

It is an amenable number.

115732081 is a deficient number, since it is larger than the sum of its proper divisors (883583).

115732081 is an equidigital number, since it uses as much as digits as its factorization.

115732081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883582.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 115732081 is about 10757.8845968899. The cubic root of 115732081 is about 487.3241352059.

Adding to 115732081 its reverse (180237511), we get a palindrome (295969592).

The spelling of 115732081 in words is "one hundred fifteen million, seven hundred thirty-two thousand, eighty-one".