2124191 has 2 divisors, whose sum is σ = 2124192. Its totient is φ = 2124190.

The previous prime is 2124173. The next prime is 2124197. The reversal of 2124191 is 1914212.

2124191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2124191 - 2⁶ = 2124127 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2124197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062095 + 1062096.

It is an arithmetic number, because the mean of its divisors is an integer number (1062096).

2^2124191 is an apocalyptic number.

2124191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124191 is an equidigital number, since it uses as much as digits as its factorization.

2124191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 20.

The square root of 2124191 is about 1457.4604625855. The cubic root of 2124191 is about 128.5477624283.

The spelling of 2124191 in words is "two million, one hundred twenty-four thousand, one hundred ninety-one".