718054121 has 2 divisors, whose sum is σ = 718054122. Its totient is φ = 718054120.

The previous prime is 718054087. The next prime is 718054133. The reversal of 718054121 is 121450817.

718054121 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., 697224025 + 20830096 = 26405^2 + 4564^2 .

It is a cyclic number.

It is not a de Polignac number, because 718054121 - 2²⁶ = 650945257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (718054321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359027060 + 359027061.

It is an arithmetic number, because the mean of its divisors is an integer number (359027061).

Almost surely, 2^718054121 is an apocalyptic number.

It is an amenable number.

718054121 is a deficient number, since it is larger than the sum of its proper divisors (1).

718054121 is an equidigital number, since it uses as much as digits as its factorization.

718054121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 718054121 is about 26796.5318838091. The cubic root of 718054121 is about 895.4727882898.

The spelling of 718054121 in words is "seven hundred eighteen million, fifty-four thousand, one hundred twenty-one".