1066827 has 4 divisors (see below), whose sum is σ = 1422440. Its totient is φ = 711216.

The previous prime is 1066817. The next prime is 1066847. The reversal of 1066827 is 7286601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1066827 - 2⁴ = 1066811 is a prime.

It is a super-2 number, since 2×1066827² = 2276239695858, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

1066827 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1066794 and 1066803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177802 + ... + 177807.

It is an arithmetic number, because the mean of its divisors is an integer number (355610).

2^1066827 is an apocalyptic number.

1066827 is a deficient number, since it is larger than the sum of its proper divisors (355613).

1066827 is an equidigital number, since it uses as much as digits as its factorization.

1066827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355612.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1066827 is about 1032.8731771132. The cubic root of 1066827 is about 102.1797101021.

The spelling of 1066827 in words is "one million, sixty-six thousand, eight hundred twenty-seven".