2143080 has 48 divisors (see below), whose sum is σ = 6966180. Its totient is φ = 571392.

The previous prime is 2143073. The next prime is 2143081. The reversal of 2143080 is 803412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1790244 + 352836 = 1338^2 + 594^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2143081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2617 + ... + 3336.

2^2143080 is an apocalyptic number.

2143080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143080 is an abundant number, since it is smaller than the sum of its proper divisors (4823100).

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

2143080 is a wasteful number, since it uses less digits than its factorization.

2143080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5970 (or 5963 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2143080 is about 1463.9262276495. The cubic root of 2143080 is about 128.9276681216.

Adding to 2143080 its reverse (803412), we get a palindrome (2946492).

The spelling of 2143080 in words is "two million, one hundred forty-three thousand, eighty".