10254340121 has 2 divisors, whose sum is σ = 10254340122. Its totient is φ = 10254340120.

The previous prime is 10254340111. The next prime is 10254340123. The reversal of 10254340121 is 12104345201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9428410000 + 825930121 = 97100^2 + 28739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10254340121 is a prime.

Together with 10254340123, 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 (10254340123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5127170060 + 5127170061.

It is an arithmetic number, because the mean of its divisors is an integer number (5127170061).

Almost surely, 2^10254340121 is an apocalyptic number.

It is an amenable number.

10254340121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10254340121 is an equidigital number, since it uses as much as digits as its factorization.

10254340121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 10254340121 its reverse (12104345201), we get a palindrome (22358685322).

The spelling of 10254340121 in words is "ten billion, two hundred fifty-four million, three hundred forty thousand, one hundred twenty-one".