2129180 has 24 divisors (see below), whose sum is σ = 4626720. Its totient is φ = 822080.

The previous prime is 2129177. The next prime is 2129203. The reversal of 2129180 is 819212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256 + ... + 2415.

It is an arithmetic number, because the mean of its divisors is an integer number (192780).

2^2129180 is an apocalyptic number.

2129180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2129180 is an abundant number, since it is smaller than the sum of its proper divisors (2497540).

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

2129180 is a wasteful number, since it uses less digits than its factorization.

2129180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709 (or 3707 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 2129180 is about 1459.1709975188. The cubic root of 2129180 is about 128.6483220227.

The spelling of 2129180 in words is "two million, one hundred twenty-nine thousand, one hundred eighty".