2112659 has 4 divisors (see below), whose sum is σ = 2118480. Its totient is φ = 2106840.

The previous prime is 2112631. The next prime is 2112683. The reversal of 2112659 is 9562112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2132659) 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, 2327 + ... + 3104.

It is an arithmetic number, because the mean of its divisors is an integer number (529620).

2^2112659 is an apocalyptic number.

2112659 is a deficient number, since it is larger than the sum of its proper divisors (5821).

2112659 is an equidigital number, since it uses as much as digits as its factorization.

2112659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820.

The product of its digits is 1080, while the sum is 26.

The square root of 2112659 is about 1453.4988820085. The cubic root of 2112659 is about 128.3147162889.

The spelling of 2112659 in words is "two million, one hundred twelve thousand, six hundred fifty-nine".