1166219 has 2 divisors, whose sum is σ = 1166220. Its totient is φ = 1166218.

The previous prime is 1166213. The next prime is 1166227. The reversal of 1166219 is 9126611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1166219 - 2¹⁶ = 1100683 is a prime.

It is a super-2 number, since 2×1166219² = 2720133511922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1166213) 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, 583109 + 583110.

It is an arithmetic number, because the mean of its divisors is an integer number (583110).

2^1166219 is an apocalyptic number.

1166219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166219 is an equidigital number, since it uses as much as digits as its factorization.

1166219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 26.

The square root of 1166219 is about 1079.9162004526. The cubic root of 1166219 is about 105.2591933638.

The spelling of 1166219 in words is "one million, one hundred sixty-six thousand, two hundred nineteen".