2105056 has 24 divisors (see below), whose sum is σ = 4180680. Its totient is φ = 1043328.

The previous prime is 2105027. The next prime is 2105069. The reversal of 2105056 is 6505012.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

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, 4815 + ... + 5233.

It is an arithmetic number, because the mean of its divisors is an integer number (174195).

2^2105056 is an apocalyptic number.

2105056 is the 838-th octagonal number.

It is an amenable number.

2105056 is a deficient number, since it is larger than the sum of its proper divisors (2075624).

2105056 is a wasteful number, since it uses less digits than its factorization.

2105056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 2105056 is about 1450.8811116008. The cubic root of 2105056 is about 128.1606056903.

The spelling of 2105056 in words is "two million, one hundred five thousand, fifty-six".