2105560 has 16 divisors (see below), whose sum is σ = 4737600. Its totient is φ = 842208.

The previous prime is 2105557. The next prime is 2105567. The reversal of 2105560 is 655012.

It is a happy number.

2105560 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26280 + ... + 26359.

It is an arithmetic number, because the mean of its divisors is an integer number (296100).

2^2105560 is an apocalyptic number.

2105560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105560 is an abundant number, since it is smaller than the sum of its proper divisors (2632040).

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

2105560 is a wasteful number, since it uses less digits than its factorization.

2105560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52650 (or 52646 counting only the distinct ones).

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

The square root of 2105560 is about 1451.0547887657. The cubic root of 2105560 is about 128.1708330969.

It can be divided in two parts, 21055 and 60, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 2105560 in words is "two million, one hundred five thousand, five hundred sixty".