2112015 has 16 divisors (see below), whose sum is σ = 3414528. Its totient is φ = 1114656.

The previous prime is 2112013. The next prime is 2112017. The reversal of 2112015 is 5102112.

It is an interprime number because it is at equal distance from previous prime (2112013) and next prime (2112017).

It is not a de Polignac number, because 2112015 - 2¹ = 2112013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862 + ... + 2228.

It is an arithmetic number, because the mean of its divisors is an integer number (213408).

2^2112015 is an apocalyptic number.

2112015 is a deficient number, since it is larger than the sum of its proper divisors (1302513).

2112015 is a wasteful number, since it uses less digits than its factorization.

2112015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 2112015 is about 1453.2773307253. The cubic root of 2112015 is about 128.3016769429.

Adding to 2112015 its reverse (5102112), we get a palindrome (7214127).

The spelling of 2112015 in words is "two million, one hundred twelve thousand, fifteen".