2129020 has 12 divisors (see below), whose sum is σ = 4470984. Its totient is φ = 851600.

The previous prime is 2129011. The next prime is 2129027. The reversal of 2129020 is 209212.

It is a happy number.

2129020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2128985 and 2129003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53206 + ... + 53245.

It is an arithmetic number, because the mean of its divisors is an integer number (372582).

2^2129020 is an apocalyptic number.

2129020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2129020 is an abundant number, since it is smaller than the sum of its proper divisors (2341964).

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

2129020 is a wasteful number, since it uses less digits than its factorization.

2129020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106460 (or 106458 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2129020 is about 1459.1161708377. The cubic root of 2129020 is about 128.6450994602.

The spelling of 2129020 in words is "two million, one hundred twenty-nine thousand, twenty".