121304134361 has 2 divisors, whose sum is σ = 121304134362. Its totient is φ = 121304134360.

The previous prime is 121304134313. The next prime is 121304134447. The reversal of 121304134361 is 163431403121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67778998336 + 53525136025 = 260344^2 + 231355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121304134361 is a prime.

It is not a weakly prime, because it can be changed into another prime (127304134361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60652067180 + 60652067181.

It is an arithmetic number, because the mean of its divisors is an integer number (60652067181).

Almost surely, 2^121304134361 is an apocalyptic number.

It is an amenable number.

121304134361 is a deficient number, since it is larger than the sum of its proper divisors (1).

121304134361 is an equidigital number, since it uses as much as digits as its factorization.

121304134361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 121304134361 its reverse (163431403121), we get a palindrome (284735537482).

The spelling of 121304134361 in words is "one hundred twenty-one billion, three hundred four million, one hundred thirty-four thousand, three hundred sixty-one".