119905 has 4 divisors (see below), whose sum is σ = 143892. Its totient is φ = 95920.

The previous prime is 119891. The next prime is 119921. The reversal of 119905 is 509911.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12321 + 107584 = 111^2 + 328^2 .

It is a de Polignac number, because none of the positive numbers 2^k-119905 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 119905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11986 + ... + 11995.

It is an arithmetic number, because the mean of its divisors is an integer number (35973).

2¹¹⁹⁹⁰⁵ is an apocalyptic number.

It is an amenable number.

119905 is a deficient number, since it is larger than the sum of its proper divisors (23987).

119905 is an equidigital number, since it uses as much as digits as its factorization.

119905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23986.

The product of its (nonzero) digits is 405, while the sum is 25.

The square root of 119905 is about 346.2730136756. The cubic root of 119905 is about 49.3112219310.

It can be divided in two parts, 119 and 905, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 119905 in words is "one hundred nineteen thousand, nine hundred five".