2141189 has 2 divisors, whose sum is σ = 2141190. Its totient is φ = 2141188.

The previous prime is 2141159. The next prime is 2141197. The reversal of 2141189 is 9811412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1844164 + 297025 = 1358^2 + 545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2141189 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2141149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070594 + 1070595.

It is an arithmetic number, because the mean of its divisors is an integer number (1070595).

2^2141189 is an apocalyptic number.

It is an amenable number.

2141189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141189 is an equidigital number, since it uses as much as digits as its factorization.

2141189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 26.

The square root of 2141189 is about 1463.2802192335. The cubic root of 2141189 is about 128.8897361166.

The spelling of 2141189 in words is "two million, one hundred forty-one thousand, one hundred eighty-nine".