1066559 has 6 divisors (see below), whose sum is σ = 1155096. Its totient is φ = 984360.

The previous prime is 1066553. The next prime is 1066561. The reversal of 1066559 is 9556601.

It is not a de Polignac number, because 1066559 - 2¹⁶ = 1001023 is a prime.

It is a super-2 number, since 2×1066559² = 2275096200962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2987 + ... + 3324.

It is an arithmetic number, because the mean of its divisors is an integer number (192516).

2^1066559 is an apocalyptic number.

1066559 is a deficient number, since it is larger than the sum of its proper divisors (88537).

1066559 is an equidigital number, since it uses as much as digits as its factorization.

1066559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6337 (or 6324 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 1066559 is about 1032.7434337724. The cubic root of 1066559 is about 102.1711531209.

The spelling of 1066559 in words is "one million, sixty-six thousand, five hundred fifty-nine".