119109 has 4 divisors (see below), whose sum is σ = 158816. Its totient is φ = 79404.

The previous prime is 119107. The next prime is 119129. The reversal of 119109 is 901911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 119109 - 2¹ = 119107 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119101) 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, 19849 + ... + 19854.

It is an arithmetic number, because the mean of its divisors is an integer number (39704).

2¹¹⁹¹⁰⁹ is an apocalyptic number.

It is an amenable number.

119109 is a deficient number, since it is larger than the sum of its proper divisors (39707).

119109 is an equidigital number, since it uses as much as digits as its factorization.

119109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39706.

The product of its (nonzero) digits is 81, while the sum is 21.

The square root of 119109 is about 345.1217176591. The cubic root of 119109 is about 49.2018605946.

It can be divided in two parts, 1 and 19109, that added together give a triangular number (19110 = T₁₉₅).

The spelling of 119109 in words is "one hundred nineteen thousand, one hundred nine".