119999 has 4 divisors (see below), whose sum is σ = 130920. Its totient is φ = 109080.

The previous prime is 119993. The next prime is 120011. The reversal of 119999 is 999911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999911 = 11 ⋅90901.

It is a cyclic number.

It is not a de Polignac number, because 119999 - 2⁴ = 119983 is a prime.

It is a Duffinian number.

119999 is a modest number, since divided by 999 gives 119 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119993) 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, 5444 + ... + 5465.

It is an arithmetic number, because the mean of its divisors is an integer number (32730).

2¹¹⁹⁹⁹⁹ is an apocalyptic number.

119999 is a deficient number, since it is larger than the sum of its proper divisors (10921).

119999 is a wasteful number, since it uses less digits than its factorization.

119999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10920.

The product of its digits is 6561, while the sum is 38.

The square root of 119999 is about 346.4087181351. The cubic root of 119999 is about 49.3241044744.

The spelling of 119999 in words is "one hundred nineteen thousand, nine hundred ninety-nine".