1166741 has 2 divisors, whose sum is σ = 1166742. Its totient is φ = 1166740.

The previous prime is 1166729. The next prime is 1166773. The reversal of 1166741 is 1476611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1164241 + 2500 = 1079^2 + 50^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166741 - 2⁶ = 1166677 is a prime.

It is a super-2 number, since 2×1166741² = 2722569122162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1166741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166041) 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, 583370 + 583371.

It is an arithmetic number, because the mean of its divisors is an integer number (583371).

2^1166741 is an apocalyptic number.

It is an amenable number.

1166741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166741 is an equidigital number, since it uses as much as digits as its factorization.

1166741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 1166741 is about 1080.1578588336. The cubic root of 1166741 is about 105.2748957042.

The spelling of 1166741 in words is "one million, one hundred sixty-six thousand, seven hundred forty-one".