120910871 has 2 divisors, whose sum is σ = 120910872. Its totient is φ = 120910870.

The previous prime is 120910789. The next prime is 120910873. The reversal of 120910871 is 178019021.

It is a strong prime.

It is an emirp because it is prime and its reverse (178019021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120910871 is a prime.

Together with 120910873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120910873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60455435 + 60455436.

It is an arithmetic number, because the mean of its divisors is an integer number (60455436).

Almost surely, 2^120910871 is an apocalyptic number.

120910871 is a deficient number, since it is larger than the sum of its proper divisors (1).

120910871 is an equidigital number, since it uses as much as digits as its factorization.

120910871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 120910871 is about 10995.9479354897. The cubic root of 120910871 is about 494.4872710154.

Adding to 120910871 its reverse (178019021), we get a palindrome (298929892).

The spelling of 120910871 in words is "one hundred twenty million, nine hundred ten thousand, eight hundred seventy-one".