7299121117 has 2 divisors, whose sum is σ = 7299121118. Its totient is φ = 7299121116.

The previous prime is 7299121061. The next prime is 7299121171. The reversal of 7299121117 is 7111219927.

7299121117 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (7299121171) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7099916121 + 199204996 = 84261^2 + 14114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7299121117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7299121117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7299121217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3649560558 + 3649560559.

It is an arithmetic number, because the mean of its divisors is an integer number (3649560559).

Almost surely, 2^7299121117 is an apocalyptic number.

It is an amenable number.

7299121117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7299121117 is an equidigital number, since it uses as much as digits as its factorization.

7299121117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 40.

The square root of 7299121117 is about 85434.8940246314. The cubic root of 7299121117 is about 1939.7995609864.

The spelling of 7299121117 in words is "seven billion, two hundred ninety-nine million, one hundred twenty-one thousand, one hundred seventeen".