121336000673 has 2 divisors, whose sum is σ = 121336000674. Its totient is φ = 121336000672.

The previous prime is 121336000637. The next prime is 121336000679. The reversal of 121336000673 is 376000633121.

Together with previous prime (121336000637) 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., 64916924944 + 56419075729 = 254788^2 + 237527^2 .

It is a cyclic number.

It is not a de Polignac number, because 121336000673 - 2¹⁰ = 121335999649 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 (121336000679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60668000336 + 60668000337.

It is an arithmetic number, because the mean of its divisors is an integer number (60668000337).

Almost surely, 2^121336000673 is an apocalyptic number.

It is an amenable number.

121336000673 is a deficient number, since it is larger than the sum of its proper divisors (1).

121336000673 is an equidigital number, since it uses as much as digits as its factorization.

121336000673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 32.

Adding to 121336000673 its reverse (376000633121), we get a palindrome (497336633794).

The spelling of 121336000673 in words is "one hundred twenty-one billion, three hundred thirty-six million, six hundred seventy-three", and thus it is an aban number.