2040121273 has 2 divisors, whose sum is σ = 2040121274. Its totient is φ = 2040121272.

The previous prime is 2040121217. The next prime is 2040121277. The reversal of 2040121273 is 3721210402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2005875369 + 34245904 = 44787^2 + 5852^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040121273 - 2²⁹ = 1503250361 is a prime.

It is not a weakly prime, because it can be changed into another prime (2040121277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020060636 + 1020060637.

It is an arithmetic number, because the mean of its divisors is an integer number (1020060637).

Almost surely, 2^2040121273 is an apocalyptic number.

It is an amenable number.

2040121273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040121273 is an equidigital number, since it uses as much as digits as its factorization.

2040121273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2040121273 is about 45167.7016572683. The cubic root of 2040121273 is about 1268.2902723304.

Adding to 2040121273 its reverse (3721210402), we get a palindrome (5761331675).

The spelling of 2040121273 in words is "two billion, forty million, one hundred twenty-one thousand, two hundred seventy-three".