2126001044 has 72 divisors (see below), whose sum is σ = 4064074560. Its totient is φ = 970984960.

The previous prime is 2126001043. The next prime is 2126001091. The reversal of 2126001044 is 4401006212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126001043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9124352 + ... + 9124584.

It is an arithmetic number, because the mean of its divisors is an integer number (56445480).

Almost surely, 2^2126001044 is an apocalyptic number.

It is an amenable number.

2126001044 is a deficient number, since it is larger than the sum of its proper divisors (1938073516).

2126001044 is a wasteful number, since it uses less digits than its factorization.

2126001044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2126001044 is about 46108.5788546990. The cubic root of 2126001044 is about 1285.8426433239.

Adding to 2126001044 its reverse (4401006212), we get a palindrome (6527007256).

The spelling of 2126001044 in words is "two billion, one hundred twenty-six million, one thousand, forty-four".