941000191 has 2 divisors, whose sum is σ = 941000192. Its totient is φ = 941000190.

The previous prime is 941000189. The next prime is 941000197. The reversal of 941000191 is 191000149.

It is a weak prime.

It is an emirp because it is prime and its reverse (191000149) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 941000191 - 2¹ = 941000189 is a prime.

Together with 941000189, 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 (941000197) 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, 470500095 + 470500096.

It is an arithmetic number, because the mean of its divisors is an integer number (470500096).

Almost surely, 2^941000191 is an apocalyptic number.

941000191 is a deficient number, since it is larger than the sum of its proper divisors (1).

941000191 is an equidigital number, since it uses as much as digits as its factorization.

941000191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 941000191 is about 30675.7264135668. The cubic root of 941000191 is about 979.9334228685.

The spelling of 941000191 in words is "nine hundred forty-one million, one hundred ninety-one", and thus it is an aban number.