713712121 has 2 divisors, whose sum is σ = 713712122. Its totient is φ = 713712120.

The previous prime is 713712113. The next prime is 713712137. The reversal of 713712121 is 121217317.

713712121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441462121 + 272250000 = 21011^2 + 16500^2 .

It is a cyclic number.

It is not a de Polignac number, because 713712121 - 2³ = 713712113 is a prime.

It is not a weakly prime, because it can be changed into another prime (713712191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356856060 + 356856061.

It is an arithmetic number, because the mean of its divisors is an integer number (356856061).

Almost surely, 2^713712121 is an apocalyptic number.

It is an amenable number.

713712121 is a deficient number, since it is larger than the sum of its proper divisors (1).

713712121 is an equidigital number, since it uses as much as digits as its factorization.

713712121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 588, while the sum is 25.

The square root of 713712121 is about 26715.3910882847. The cubic root of 713712121 is about 893.6641937216.

Adding to 713712121 its reverse (121217317), we get a palindrome (834929438).

The spelling of 713712121 in words is "seven hundred thirteen million, seven hundred twelve thousand, one hundred twenty-one".