797026121 has 2 divisors, whose sum is σ = 797026122. Its totient is φ = 797026120.

The previous prime is 797026093. The next prime is 797026123. The reversal of 797026121 is 121620797.

797026121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 796368400 + 657721 = 28220^2 + 811^2 .

It is an emirp because it is prime and its reverse (121620797) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 797026121 - 2²⁶ = 729917257 is a prime.

Together with 797026123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (797026123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398513060 + 398513061.

It is an arithmetic number, because the mean of its divisors is an integer number (398513061).

Almost surely, 2^797026121 is an apocalyptic number.

It is an amenable number.

797026121 is a deficient number, since it is larger than the sum of its proper divisors (1).

797026121 is an equidigital number, since it uses as much as digits as its factorization.

797026121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 797026121 is about 28231.6510498412. The cubic root of 797026121 is about 927.1660447942.

The spelling of 797026121 in words is "seven hundred ninety-seven million, twenty-six thousand, one hundred twenty-one".