1056685 has 24 divisors (see below), whose sum is σ = 1559520. Its totient is φ = 683424.

The previous prime is 1056667. The next prime is 1056707. The reversal of 1056685 is 5866501.

It is not a de Polignac number, because 1056685 - 2⁹ = 1056173 is a prime.

It is a super-2 number, since 2×1056685² = 2233166378450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 4542 + ... + 4768.

It is an arithmetic number, because the mean of its divisors is an integer number (64980).

2^1056685 is an apocalyptic number.

It is an amenable number.

1056685 is a deficient number, since it is larger than the sum of its proper divisors (502835).

1056685 is a wasteful number, since it uses less digits than its factorization.

1056685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1056685 is about 1027.9518471213. The cubic root of 1056685 is about 101.8548814199.

The spelling of 1056685 in words is "one million, fifty-six thousand, six hundred eighty-five".