120030091 has 2 divisors, whose sum is σ = 120030092. Its totient is φ = 120030090.

The previous prime is 120030089. The next prime is 120030133. The reversal of 120030091 is 190030021.

It is a weak prime.

It is an emirp because it is prime and its reverse (190030021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120030091 - 2¹ = 120030089 is a prime.

Together with 120030089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120030041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60015045 + 60015046.

It is an arithmetic number, because the mean of its divisors is an integer number (60015046).

Almost surely, 2^120030091 is an apocalyptic number.

120030091 is a deficient number, since it is larger than the sum of its proper divisors (1).

120030091 is an equidigital number, since it uses as much as digits as its factorization.

120030091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 120030091 is about 10955.8245239690. The cubic root of 120030091 is about 493.2836396358.

The spelling of 120030091 in words is "one hundred twenty million, thirty thousand, ninety-one".