120200191 has 2 divisors, whose sum is σ = 120200192. Its totient is φ = 120200190.

The previous prime is 120200189. The next prime is 120200209. The reversal of 120200191 is 191002021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120200191 - 2¹ = 120200189 is a prime.

Together with 120200189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120200891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60100095 + 60100096.

It is an arithmetic number, because the mean of its divisors is an integer number (60100096).

Almost surely, 2^120200191 is an apocalyptic number.

120200191 is a deficient number, since it is larger than the sum of its proper divisors (1).

120200191 is an equidigital number, since it uses as much as digits as its factorization.

120200191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 120200191 is about 10963.5847695906. The cubic root of 120200191 is about 493.5165477374.

The spelling of 120200191 in words is "one hundred twenty million, two hundred thousand, one hundred ninety-one".