2112869 has 8 divisors (see below), whose sum is σ = 2315520. Its totient is φ = 1912000.

The previous prime is 2112863. The next prime is 2112871. The reversal of 2112869 is 9682112.

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 2112869 - 2¹² = 2108773 is a prime.

It is a super-2 number, since 2×2112869² = 8928430822322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4172 + ... + 4650.

It is an arithmetic number, because the mean of its divisors is an integer number (289440).

2^2112869 is an apocalyptic number.

It is an amenable number.

2112869 is a deficient number, since it is larger than the sum of its proper divisors (202651).

2112869 is a wasteful number, since it uses less digits than its factorization.

2112869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891.

The product of its digits is 1728, while the sum is 29.

The square root of 2112869 is about 1453.5711196911. The cubic root of 2112869 is about 128.3189676766.

The spelling of 2112869 in words is "two million, one hundred twelve thousand, eight hundred sixty-nine".