119909 has 4 divisors (see below), whose sum is σ = 126240. Its totient is φ = 113580.

The previous prime is 119891. The next prime is 119921. The reversal of 119909 is 909911.

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 a cyclic number.

It is not a de Polignac number, because 119909 - 2⁸ = 119653 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119929) 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, 3137 + ... + 3174.

It is an arithmetic number, because the mean of its divisors is an integer number (31560).

2¹¹⁹⁹⁰⁹ is an apocalyptic number.

119909 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

119909 is a deficient number, since it is larger than the sum of its proper divisors (6331).

119909 is an equidigital number, since it uses as much as digits as its factorization.

119909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330.

The product of its (nonzero) digits is 729, while the sum is 29.

The square root of 119909 is about 346.2787894169. The cubic root of 119909 is about 49.3117702615.

The spelling of 119909 in words is "one hundred nineteen thousand, nine hundred nine".