120091 has 2 divisors, whose sum is σ = 120092. Its totient is φ = 120090.

The previous prime is 120079. The next prime is 120097. The reversal of 120091 is 190021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120091 - 2⁷ = 119963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60045 + 60046.

It is an arithmetic number, because the mean of its divisors is an integer number (60046).

2¹²⁰⁰⁹¹ is an apocalyptic number.

120091 is a deficient number, since it is larger than the sum of its proper divisors (1).

120091 is an equidigital number, since it uses as much as digits as its factorization.

120091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 120091 is about 346.5414838082. The cubic root of 120091 is about 49.3367064084.

The spelling of 120091 in words is "one hundred twenty thousand, ninety-one".