120120491 has 2 divisors, whose sum is σ = 120120492. Its totient is φ = 120120490.

The previous prime is 120120449. The next prime is 120120503. The reversal of 120120491 is 194021021.

It is a strong prime.

It is an emirp because it is prime and its reverse (194021021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120120491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120120431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060245 + 60060246.

It is an arithmetic number, because the mean of its divisors is an integer number (60060246).

Almost surely, 2^120120491 is an apocalyptic number.

120120491 is a deficient number, since it is larger than the sum of its proper divisors (1).

120120491 is an equidigital number, since it uses as much as digits as its factorization.

120120491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 120120491 is about 10959.9494068175. The cubic root of 120120491 is about 493.4074465089.

The spelling of 120120491 in words is "one hundred twenty million, one hundred twenty thousand, four hundred ninety-one".