115726729 has 4 divisors (see below), whose sum is σ = 115838100. Its totient is φ = 115615360.

The previous prime is 115726727. The next prime is 115726747. The reversal of 115726729 is 927627511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 927627511 = 659 ⋅1407629.

It can be written as a sum of positive squares in 2 ways, for example, as 95942025 + 19784704 = 9795^2 + 4448^2 .

It is a cyclic number.

It is not a de Polignac number, because 115726729 - 2¹ = 115726727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115726691 and 115726700.

It is not an unprimeable number, because it can be changed into a prime (115726727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54112 + ... + 56209.

It is an arithmetic number, because the mean of its divisors is an integer number (28959525).

Almost surely, 2^115726729 is an apocalyptic number.

It is an amenable number.

115726729 is a deficient number, since it is larger than the sum of its proper divisors (111371).

115726729 is a wasteful number, since it uses less digits than its factorization.

115726729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111370.

The product of its digits is 52920, while the sum is 40.

The square root of 115726729 is about 10757.6358462257. The cubic root of 115726729 is about 487.3166230308.

The spelling of 115726729 in words is "one hundred fifteen million, seven hundred twenty-six thousand, seven hundred twenty-nine".