7299121061 has 2 divisors, whose sum is σ = 7299121062. Its totient is φ = 7299121060.

The previous prime is 7299121019. The next prime is 7299121117. The reversal of 7299121061 is 1601219927.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6527670436 + 771450625 = 80794^2 + 27775^2 .

It is a cyclic number.

It is not a de Polignac number, because 7299121061 - 2¹⁴ = 7299104677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7299121861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3649560530 + 3649560531.

It is an arithmetic number, because the mean of its divisors is an integer number (3649560531).

Almost surely, 2^7299121061 is an apocalyptic number.

It is an amenable number.

7299121061 is a deficient number, since it is larger than the sum of its proper divisors (1).

7299121061 is an equidigital number, since it uses as much as digits as its factorization.

7299121061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 7299121061 is about 85434.8936968965. The cubic root of 7299121061 is about 1939.7995560256.

The spelling of 7299121061 in words is "seven billion, two hundred ninety-nine million, one hundred twenty-one thousand, sixty-one".