1056554 has 8 divisors (see below), whose sum is σ = 1589220. Its totient is φ = 526816.

The previous prime is 1056541. The next prime is 1056563. The reversal of 1056554 is 4556501.

It can be written as a sum of positive squares in 2 ways, for example, as 1050625 + 5929 = 1025^2 + 77^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1056554² = 2232612709832, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902 + ... + 1710.

2^1056554 is an apocalyptic number.

1056554 is a deficient number, since it is larger than the sum of its proper divisors (532666).

1056554 is an equidigital number, since it uses as much as digits as its factorization.

1056554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1056554 is about 1027.8881262083. Note that the first 3 decimals coincide. The cubic root of 1056554 is about 101.8506721741.

The spelling of 1056554 in words is "one million, fifty-six thousand, five hundred fifty-four".