120807191 has 2 divisors, whose sum is σ = 120807192. Its totient is φ = 120807190.

The previous prime is 120807163. The next prime is 120807199. The reversal of 120807191 is 191708021.

It is a strong prime.

It is an emirp because it is prime and its reverse (191708021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120807191 - 2¹⁴ = 120790807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120807199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60403595 + 60403596.

It is an arithmetic number, because the mean of its divisors is an integer number (60403596).

Almost surely, 2^120807191 is an apocalyptic number.

120807191 is a deficient number, since it is larger than the sum of its proper divisors (1).

120807191 is an equidigital number, since it uses as much as digits as its factorization.

120807191 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 120807191 is about 10991.2324604659. The cubic root of 120807191 is about 494.3458911133.

The spelling of 120807191 in words is "one hundred twenty million, eight hundred seven thousand, one hundred ninety-one".