2103005 has 8 divisors (see below), whose sum is σ = 2633472. Its totient is φ = 1609168.

The previous prime is 2102999. The next prime is 2103007. The reversal of 2103005 is 5003012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2103005 - 2⁶ = 2102941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9029 + ... + 9258.

It is an arithmetic number, because the mean of its divisors is an integer number (329184).

2^2103005 is an apocalyptic number.

It is an amenable number.

2103005 is a deficient number, since it is larger than the sum of its proper divisors (530467).

2103005 is a wasteful number, since it uses less digits than its factorization.

2103005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18315.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 2103005 is about 1450.1741274757. The cubic root of 2103005 is about 128.1189689804.

Adding to 2103005 its reverse (5003012), we get a palindrome (7106017).

The spelling of 2103005 in words is "two million, one hundred three thousand, five".