116999 has 4 divisors (see below), whose sum is σ = 118560. Its totient is φ = 115440.

The previous prime is 116993. The next prime is 117017. The reversal of 116999 is 999611.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116999 is a prime.

It is a Duffinian number.

116999 is a modest number, since divided by 999 gives 116 as remainder.

It is a plaindrome in base 10 and base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 116999.

It is not an unprimeable number, because it can be changed into a prime (116993) 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, 662 + ... + 819.

It is an arithmetic number, because the mean of its divisors is an integer number (29640).

2¹¹⁶⁹⁹⁹ is an apocalyptic number.

116999 is a deficient number, since it is larger than the sum of its proper divisors (1561).

116999 is an equidigital number, since it uses as much as digits as its factorization.

116999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560.

The product of its digits is 4374, while the sum is 35.

The square root of 116999 is about 342.0511657633. The cubic root of 116999 is about 48.9095931207.

Subtracting from 116999 its sum of digits (35), we obtain a square (116964 = 342²).

The spelling of 116999 in words is "one hundred sixteen thousand, nine hundred ninety-nine".