121434642053 has 2 divisors, whose sum is σ = 121434642054. Its totient is φ = 121434642052.

The previous prime is 121434642047. The next prime is 121434642073. The reversal of 121434642053 is 350246434121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111865498369 + 9569143684 = 334463^2 + 97822^2 .

It is an emirp because it is prime and its reverse (350246434121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121434642053 - 2⁴ = 121434642037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121434642023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60717321026 + 60717321027.

It is an arithmetic number, because the mean of its divisors is an integer number (60717321027).

Almost surely, 2^121434642053 is an apocalyptic number.

It is an amenable number.

121434642053 is a deficient number, since it is larger than the sum of its proper divisors (1).

121434642053 is an equidigital number, since it uses as much as digits as its factorization.

121434642053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 121434642053 in words is "one hundred twenty-one billion, four hundred thirty-four million, six hundred forty-two thousand, fifty-three".