116729 has 4 divisors (see below), whose sum is σ = 117876. Its totient is φ = 115584.

The previous prime is 116719. The next prime is 116731. The reversal of 116729 is 927611.

116729 is nontrivially palindromic in base 12.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55225 + 61504 = 235^2 + 248^2 .

It is a cyclic number.

It is not a de Polignac number, because 116729 - 2¹⁶ = 51193 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 116698 and 116707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116719) 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, 404 + ... + 629.

It is an arithmetic number, because the mean of its divisors is an integer number (29469).

116729 is a Friedman number, since it can be written as 7^6-921+1, using all its digits and the basic arithmetic operations.

2¹¹⁶⁷²⁹ is an apocalyptic number.

It is an amenable number.

116729 is a deficient number, since it is larger than the sum of its proper divisors (1147).

116729 is a wasteful number, since it uses less digits than its factorization.

116729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146.

The product of its digits is 756, while the sum is 26.

The square root of 116729 is about 341.6562600041. The cubic root of 116729 is about 48.8719410570.

The spelling of 116729 in words is "one hundred sixteen thousand, seven hundred twenty-nine".