1066867 has 2 divisors, whose sum is σ = 1066868. Its totient is φ = 1066866.

The previous prime is 1066859. The next prime is 1066883. The reversal of 1066867 is 7686601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1066867 - 2³ = 1066859 is a prime.

It is a super-2 number, since 2×1066867² = 2276410391378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1066817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533433 + 533434.

It is an arithmetic number, because the mean of its divisors is an integer number (533434).

2^1066867 is an apocalyptic number.

1066867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066867 is an equidigital number, since it uses as much as digits as its factorization.

1066867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1066867 is about 1032.8925403932. The cubic root of 1066867 is about 102.1809871405.

The spelling of 1066867 in words is "one million, sixty-six thousand, eight hundred sixty-seven".