2012105 has 8 divisors (see below), whose sum is σ = 2438592. Its totient is φ = 1593648.

The previous prime is 2012093. The next prime is 2012113. The reversal of 2012105 is 5012102.

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 2012105 - 2¹⁰ = 2011081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1439 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (304824).

2^2012105 is an apocalyptic number.

It is an amenable number.

2012105 is a deficient number, since it is larger than the sum of its proper divisors (426487).

2012105 is a wasteful number, since it uses less digits than its factorization.

2012105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4015.

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

The square root of 2012105 is about 1418.4868698723. The cubic root of 2012105 is about 126.2457829523.

Adding to 2012105 its reverse (5012102), we get a palindrome (7024207).

The spelling of 2012105 in words is "two million, twelve thousand, one hundred five".