4112191 has 2 divisors, whose sum is σ = 4112192. Its totient is φ = 4112190.

The previous prime is 4112161. The next prime is 4112197. The reversal of 4112191 is 1912114.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4112191 - 2⁷ = 4112063 is a prime.

It is a super-2 number, since 2×4112191² = 33820229640962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4112197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2056095 + 2056096.

It is an arithmetic number, because the mean of its divisors is an integer number (2056096).

Almost surely, 2^4112191 is an apocalyptic number.

4112191 is a deficient number, since it is larger than the sum of its proper divisors (1).

4112191 is an equidigital number, since it uses as much as digits as its factorization.

4112191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 19.

The square root of 4112191 is about 2027.8537915737. The cubic root of 4112191 is about 160.2105431384.

The spelling of 4112191 in words is "four million, one hundred twelve thousand, one hundred ninety-one".