2121160 has 32 divisors (see below), whose sum is σ = 5025600. Its totient is φ = 803520.

The previous prime is 2121143. The next prime is 2121167. The reversal of 2121160 is 611212.

It is a self number, because there is not a number n which added to its sum of digits gives 2121160.

It is not an unprimeable number, because it can be changed into a prime (2121167) 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, 636 + ... + 2155.

It is an arithmetic number, because the mean of its divisors is an integer number (157050).

2^2121160 is an apocalyptic number.

2121160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121160 is an abundant number, since it is smaller than the sum of its proper divisors (2904440).

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

2121160 is a wasteful number, since it uses less digits than its factorization.

2121160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821 (or 2817 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2121160 is about 1456.4202690158. The cubic root of 2121160 is about 128.4865918878.

Adding to 2121160 its reverse (611212), we get a palindrome (2732372).

The spelling of 2121160 in words is "two million, one hundred twenty-one thousand, one hundred sixty".