2129112 has 32 divisors (see below), whose sum is σ = 5914800. Its totient is φ = 709632.

The previous prime is 2129107. The next prime is 2129119. The reversal of 2129112 is 2119212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129119) 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, 4713 + ... + 5144.

2^2129112 is an apocalyptic number.

It is an amenable number.

2129112 is an abundant number, since it is smaller than the sum of its proper divisors (3785688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2129112 is a wasteful number, since it uses less digits than its factorization.

2129112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9872 (or 9862 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 2129112 is about 1459.1476964310. The cubic root of 2129112 is about 128.6469524534.

The spelling of 2129112 in words is "two million, one hundred twenty-nine thousand, one hundred twelve".