1056556 has 6 divisors (see below), whose sum is σ = 1848980. Its totient is φ = 528276.

The previous prime is 1056541. The next prime is 1056563. The reversal of 1056556 is 6556501.

It is a super-3 number, since 3×1056556³ = 3538333927088182848, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132066 + ... + 132073.

2^1056556 is an apocalyptic number.

It is an amenable number.

1056556 is a deficient number, since it is larger than the sum of its proper divisors (792424).

1056556 is a wasteful number, since it uses less digits than its factorization.

1056556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264143 (or 264141 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1056556 is about 1027.8890990764. The cubic root of 1056556 is about 101.8507364400.

Subtracting 1056556 from its reverse (6556501), we obtain a palindrome (5499945).

The spelling of 1056556 in words is "one million, fifty-six thousand, five hundred fifty-six".