116321 has 4 divisors (see below), whose sum is σ = 117012. Its totient is φ = 115632.

The previous prime is 116293. The next prime is 116329. The reversal of 116321 is 123611.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 123611 = 71 ⋅1741.

It can be written as a sum of positive squares in 2 ways, for example, as 96721 + 19600 = 311^2 + 140^2 .

It is a cyclic number.

It is not a de Polignac number, because 116321 - 2⁶ = 116257 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 116296 and 116305.

It is not an unprimeable number, because it can be changed into a prime (116329) 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, 95 + ... + 491.

It is an arithmetic number, because the mean of its divisors is an integer number (29253).

2¹¹⁶³²¹ is an apocalyptic number.

It is an amenable number.

116321 is a deficient number, since it is larger than the sum of its proper divisors (691).

116321 is an equidigital number, since it uses as much as digits as its factorization.

116321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690.

The product of its digits is 36, while the sum is 14.

The square root of 116321 is about 341.0586459834. The cubic root of 116321 is about 48.8149342897.

Adding to 116321 its reverse (123611), we get a palindrome (239932).

The spelling of 116321 in words is "one hundred sixteen thousand, three hundred twenty-one".