1006189 has 2 divisors, whose sum is σ = 1006190. Its totient is φ = 1006188.

The previous prime is 1006177. The next prime is 1006193. The reversal of 1006189 is 9816001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 550564 + 455625 = 742^2 + 675^2 .

It is a cyclic number.

It is not a de Polignac number, because 1006189 - 2⁹ = 1005677 is a prime.

1006189 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1006169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503094 + 503095.

It is an arithmetic number, because the mean of its divisors is an integer number (503095).

2^1006189 is an apocalyptic number.

It is an amenable number.

1006189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006189 is an equidigital number, since it uses as much as digits as its factorization.

1006189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1006189 is about 1003.0897267942. The cubic root of 1006189 is about 100.2058758604.

The spelling of 1006189 in words is "one million, six thousand, one hundred eighty-nine".