801056 has 12 divisors (see below), whose sum is σ = 1577142. Its totient is φ = 400512.

The previous prime is 801037. The next prime is 801061. The reversal of 801056 is 650108.

It can be written as a sum of positive squares in only one way, i.e., 781456 + 19600 = 884^2 + 140^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12485 + ... + 12548.

2⁸⁰¹⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

801056 is a deficient number, since it is larger than the sum of its proper divisors (776086).

801056 is a wasteful number, since it uses less digits than its factorization.

801056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25043 (or 25035 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 801056 is about 895.0173182682. The cubic root of 801056 is about 92.8726046949.

The spelling of 801056 in words is "eight hundred one thousand, fifty-six".