2112897 has 4 divisors (see below), whose sum is σ = 2817200. Its totient is φ = 1408596.

The previous prime is 2112893. The next prime is 2112919. The reversal of 2112897 is 7982112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2112897 - 2² = 2112893 is a prime.

It is a D-number.

It is a Duffinian number.

2112897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2112893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352147 + ... + 352152.

It is an arithmetic number, because the mean of its divisors is an integer number (704300).

2^2112897 is an apocalyptic number.

It is an amenable number.

2112897 is a deficient number, since it is larger than the sum of its proper divisors (704303).

2112897 is an equidigital number, since it uses as much as digits as its factorization.

2112897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704302.

The product of its digits is 2016, while the sum is 30.

The square root of 2112897 is about 1453.5807511109. The cubic root of 2112897 is about 128.3195345071.

The spelling of 2112897 in words is "two million, one hundred twelve thousand, eight hundred ninety-seven".