119891 has 2 divisors, whose sum is σ = 119892. Its totient is φ = 119890.

The previous prime is 119881. The next prime is 119921. The reversal of 119891 is 198911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 119891 - 2⁶ = 119827 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (119831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59945 + 59946.

It is an arithmetic number, because the mean of its divisors is an integer number (59946).

2¹¹⁹⁸⁹¹ is an apocalyptic number.

119891 is a deficient number, since it is larger than the sum of its proper divisors (1).

119891 is an equidigital number, since it uses as much as digits as its factorization.

119891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 29.

The square root of 119891 is about 346.2527978226. The cubic root of 119891 is about 49.3093026783.

It can be divided in two parts, 11 and 9891, that multiplied together give a palindrome (108801).

The spelling of 119891 in words is "one hundred nineteen thousand, eight hundred ninety-one".