1056667 has 2 divisors, whose sum is σ = 1056668. Its totient is φ = 1056666.

The previous prime is 1056659. The next prime is 1056707. The reversal of 1056667 is 7666501.

It is a weak prime.

It is an emirp because it is prime and its reverse (7666501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1056667 - 2³ = 1056659 is a prime.

It is a super-2 number, since 2×1056667² = 2233090297778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1056617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528333 + 528334.

It is an arithmetic number, because the mean of its divisors is an integer number (528334).

2^1056667 is an apocalyptic number.

1056667 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056667 is an equidigital number, since it uses as much as digits as its factorization.

1056667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1056667 is about 1027.9430918100. The cubic root of 1056667 is about 101.8543030709.

The spelling of 1056667 in words is "one million, fifty-six thousand, six hundred sixty-seven".