2003126 has 4 divisors (see below), whose sum is σ = 3004692. Its totient is φ = 1001562.

The previous prime is 2003119. The next prime is 2003149. The reversal of 2003126 is 6213002.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2003126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500780 + ... + 500783.

It is an arithmetic number, because the mean of its divisors is an integer number (751173).

2^2003126 is an apocalyptic number.

2003126 is a deficient number, since it is larger than the sum of its proper divisors (1001566).

2003126 is a wasteful number, since it uses less digits than its factorization.

2003126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001565.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2003126 is about 1415.3183387493. The cubic root of 2003126 is about 126.0577127064.

Adding to 2003126 its reverse (6213002), we get a palindrome (8216128).

The spelling of 2003126 in words is "two million, three thousand, one hundred twenty-six".