1005056 has 40 divisors (see below), whose sum is σ = 2176944. Its totient is φ = 460800.

The previous prime is 1005049. The next prime is 1005071. The reversal of 1005056 is 6505001.

It is a congruent 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, 6581 + ... + 6731.

2^1005056 is an apocalyptic number.

1005056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1005056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1088472).

1005056 is an abundant number, since it is smaller than the sum of its proper divisors (1171888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1005056 is an equidigital number, since it uses as much as digits as its factorization.

1005056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1005056 is about 1002.5248126605. The cubic root of 1005056 is about 100.1682500936.

Subtracting 1005056 from its reverse (6505001), we obtain a palindrome (5499945).

The spelling of 1005056 in words is "one million, five thousand, fifty-six".