1166579 has 2 divisors, whose sum is σ = 1166580. Its totient is φ = 1166578.

The previous prime is 1166569. The next prime is 1166597. The reversal of 1166579 is 9756611.

Together with next prime (1166597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1166579 - 2⁴ = 1166563 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1166549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583289 + 583290.

It is an arithmetic number, because the mean of its divisors is an integer number (583290).

2^1166579 is an apocalyptic number.

1166579 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166579 is an equidigital number, since it uses as much as digits as its factorization.

1166579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 35.

The square root of 1166579 is about 1080.0828671912. The cubic root of 1166579 is about 105.2700230654.

The spelling of 1166579 in words is "one million, one hundred sixty-six thousand, five hundred seventy-nine".