1066159 has 2 divisors, whose sum is σ = 1066160. Its totient is φ = 1066158.

The previous prime is 1066157. The next prime is 1066217. The reversal of 1066159 is 9516601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1066159 - 2¹ = 1066157 is a prime.

It is a super-2 number, since 2×1066159² = 2273390026562, which contains 22 as substring.

Together with 1066157, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533079 + 533080.

It is an arithmetic number, because the mean of its divisors is an integer number (533080).

2^1066159 is an apocalyptic number.

1066159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066159 is an equidigital number, since it uses as much as digits as its factorization.

1066159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1066159 is about 1032.5497566704. The cubic root of 1066159 is about 102.1583788404.

It can be divided in two parts, 1066 and 159, that added together give a triangular number (1225 = T₄₉).

The spelling of 1066159 in words is "one million, sixty-six thousand, one hundred fifty-nine".