2131180 has 48 divisors (see below), whose sum is σ = 4826304. Its totient is φ = 788480.

The previous prime is 2131141. The next prime is 2131193. The reversal of 2131180 is 811312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18804 + ... + 18916.

It is an arithmetic number, because the mean of its divisors is an integer number (100548).

2^2131180 is an apocalyptic number.

2131180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2413152).

2131180 is an abundant number, since it is smaller than the sum of its proper divisors (2695124).

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

2131180 is a wasteful number, since it uses less digits than its factorization.

2131180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 2131180 is about 1459.8561572977. The cubic root of 2131180 is about 128.6885904397.

Adding to 2131180 its reverse (811312), we get a palindrome (2942492).

The spelling of 2131180 in words is "two million, one hundred thirty-one thousand, one hundred eighty".