2103568 has 20 divisors (see below), whose sum is σ = 4133788. Its totient is φ = 1036800.

The previous prime is 2103553. The next prime is 2103583. The reversal of 2103568 is 8653012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2103553) and next prime (2103583).

It can be written as a sum of positive squares in 2 ways, for example, as 692224 + 1411344 = 832^2 + 1188^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268 + ... + 2068.

2^2103568 is an apocalyptic number.

It is an amenable number.

2103568 is a deficient number, since it is larger than the sum of its proper divisors (2030220).

2103568 is a wasteful number, since it uses less digits than its factorization.

2103568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882 (or 1876 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2103568 is about 1450.3682291060. The cubic root of 2103568 is about 128.1304009621.

The spelling of 2103568 in words is "two million, one hundred three thousand, five hundred sixty-eight".