121304103169 has 2 divisors, whose sum is σ = 121304103170. Its totient is φ = 121304103168.

The previous prime is 121304103133. The next prime is 121304103187. The reversal of 121304103169 is 961301403121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79024518769 + 42279584400 = 281113^2 + 205620^2 .

It is a cyclic number.

It is not a de Polignac number, because 121304103169 - 2²¹ = 121302006017 is a prime.

It is a super-2 number, since 2×121304103169² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121304103169.

It is not a weakly prime, because it can be changed into another prime (121304103119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60652051584 + 60652051585.

It is an arithmetic number, because the mean of its divisors is an integer number (60652051585).

Almost surely, 2^121304103169 is an apocalyptic number.

It is an amenable number.

121304103169 is a deficient number, since it is larger than the sum of its proper divisors (1).

121304103169 is an equidigital number, since it uses as much as digits as its factorization.

121304103169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 121304103169 in words is "one hundred twenty-one billion, three hundred four million, one hundred three thousand, one hundred sixty-nine".