2112005 has 8 divisors (see below), whose sum is σ = 2896512. Its totient is φ = 1448208.

The previous prime is 2111971. The next prime is 2112007. The reversal of 2112005 is 5002112.

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 2112005 - 2¹⁰ = 2110981 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 (2112007) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 30137 + ... + 30206.

It is an arithmetic number, because the mean of its divisors is an integer number (362064).

2^2112005 is an apocalyptic number.

It is an amenable number.

2112005 is a deficient number, since it is larger than the sum of its proper divisors (784507).

2112005 is an equidigital number, since it uses as much as digits as its factorization.

2112005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60355.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2112005 is about 1453.2738902217. The cubic root of 2112005 is about 128.3014744477.

Adding to 2112005 its reverse (5002112), we get a palindrome (7114117).

The spelling of 2112005 in words is "two million, one hundred twelve thousand, five".