2143026 has 12 divisors (see below), whose sum is σ = 4643262. Its totient is φ = 714336.

The previous prime is 2143019. The next prime is 2143027. The reversal of 2143026 is 6203412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1687401 + 455625 = 1299^2 + 675^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 119057 = 2143026 / (2 + 1 + 4 + 3 + 0 + 2 + 6).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59511 + ... + 59546.

2^2143026 is an apocalyptic number.

2143026 is an abundant number, since it is smaller than the sum of its proper divisors (2500236).

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

2143026 is a wasteful number, since it uses less digits than its factorization.

2143026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119065 (or 119062 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2143026 is about 1463.9077839809. The cubic root of 2143026 is about 128.9265852327.

Adding to 2143026 its reverse (6203412), we get a palindrome (8346438).

It can be divided in two parts, 214 and 3026, that added together give a triangular number (3240 = T₈₀).

The spelling of 2143026 in words is "two million, one hundred forty-three thousand, twenty-six".