1066729 has 2 divisors, whose sum is σ = 1066730. Its totient is φ = 1066728.

The previous prime is 1066721. The next prime is 1066753. The reversal of 1066729 is 9276601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 608400 + 458329 = 780^2 + 677^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066729 - 2³ = 1066721 is a prime.

It is a super-2 number, since 2×1066729² = 2275821518882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066729.

It is not a weakly prime, because it can be changed into another prime (1066721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533364 + 533365.

It is an arithmetic number, because the mean of its divisors is an integer number (533365).

2^1066729 is an apocalyptic number.

It is an amenable number.

1066729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066729 is an equidigital number, since it uses as much as digits as its factorization.

1066729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1066729 is about 1032.8257355430. The cubic root of 1066729 is about 102.1765812229.

The spelling of 1066729 in words is "one million, sixty-six thousand, seven hundred twenty-nine".