1056555 has 24 divisors (see below), whose sum is σ = 1870128. Its totient is φ = 551616.

The previous prime is 1056541. The next prime is 1056563. The reversal of 1056555 is 5556501.

1056555 is a `hidden beast` number, since 1 + 0 + 5 + 655 + 5 = 666.

It is not a de Polignac number, because 1056555 - 2¹⁰ = 1055531 is a prime.

It is a super-2 number, since 2×1056555² = 2232616936050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2164 + ... + 2606.

It is an arithmetic number, because the mean of its divisors is an integer number (77922).

2^1056555 is an apocalyptic number.

1056555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1056555 is a deficient number, since it is larger than the sum of its proper divisors (813573).

1056555 is a wasteful number, since it uses less digits than its factorization.

1056555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 1056555 is about 1027.8886126424. Note that the first 3 decimals coincide. The cubic root of 1056555 is about 101.8507043070.

It can be divided in two parts, 10 and 56555, that added together give a palindrome (56565).

The spelling of 1056555 in words is "one million, fifty-six thousand, five hundred fifty-five".