119989 has 4 divisors (see below), whose sum is σ = 121324. Its totient is φ = 118656.

The previous prime is 119983. The next prime is 119993. The reversal of 119989 is 989911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 989911 = 13 ⋅76147.

It can be written as a sum of positive squares in 2 ways, for example, as 72900 + 47089 = 270^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 119989 - 2³ = 119981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119981) 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, 522 + ... + 715.

It is an arithmetic number, because the mean of its divisors is an integer number (30331).

2¹¹⁹⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

119989 is a deficient number, since it is larger than the sum of its proper divisors (1335).

119989 is an equidigital number, since it uses as much as digits as its factorization.

119989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334.

The product of its digits is 5832, while the sum is 37.

The square root of 119989 is about 346.3942840175. The cubic root of 119989 is about 49.3227343110.

It can be divided in two parts, 11 and 9989, that added together give a 4-th power (10000 = 10⁴).

The spelling of 119989 in words is "one hundred nineteen thousand, nine hundred eighty-nine".