2126001043 has 2 divisors, whose sum is σ = 2126001044. Its totient is φ = 2126001042.

The previous prime is 2126001037. The next prime is 2126001091. The reversal of 2126001043 is 3401006212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2126001043 - 2⁹ = 2126000531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2126001043.

It is not a weakly prime, because it can be changed into another prime (2126001643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063000521 + 1063000522.

It is an arithmetic number, because the mean of its divisors is an integer number (1063000522).

Almost surely, 2^2126001043 is an apocalyptic number.

2126001043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126001043 is an equidigital number, since it uses as much as digits as its factorization.

2126001043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2126001043 is about 46108.5788438551. The cubic root of 2126001043 is about 1285.8426431223.

Adding to 2126001043 its reverse (3401006212), we get a palindrome (5527007255).

The spelling of 2126001043 in words is "two billion, one hundred twenty-six million, one thousand, forty-three".