2001126 has 16 divisors (see below), whose sum is σ = 4024944. Its totient is φ = 663264.

The previous prime is 2001101. The next prime is 2001127. The reversal of 2001126 is 6211002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001127) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 336 + ... + 2028.

It is an arithmetic number, because the mean of its divisors is an integer number (251559).

2^2001126 is an apocalyptic number.

2001126 is an abundant number, since it is smaller than the sum of its proper divisors (2023818).

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

2001126 is a wasteful number, since it uses less digits than its factorization.

2001126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2001126 is about 1414.6116074739. The cubic root of 2001126 is about 126.0157450720.

Adding to 2001126 its reverse (6211002), we get a palindrome (8212128).

It can be divided in two parts, 200 and 1126, that added together give a triangular number (1326 = T₅₁).

The spelling of 2001126 in words is "two million, one thousand, one hundred twenty-six".