1166441 has 2 divisors, whose sum is σ = 1166442. Its totient is φ = 1166440.

The previous prime is 1166413. The next prime is 1166453. The reversal of 1166441 is 1446611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1155625 + 10816 = 1075^2 + 104^2 .

It is an emirp because it is prime and its reverse (1446611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1166441 - 2¹⁴ = 1150057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1166401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583220 + 583221.

It is an arithmetic number, because the mean of its divisors is an integer number (583221).

2^1166441 is an apocalyptic number.

It is an amenable number.

1166441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166441 is an equidigital number, since it uses as much as digits as its factorization.

1166441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

The square root of 1166441 is about 1080.0189813147. The cubic root of 1166441 is about 105.2658719432.

The spelling of 1166441 in words is "one million, one hundred sixty-six thousand, four hundred forty-one".