104143121134109 has 2 divisors, whose sum is σ = 104143121134110. Its totient is φ = 104143121134108.

The previous prime is 104143121134079. The next prime is 104143121134147. The reversal of 104143121134109 is 901431121341401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102929587558084 + 1213533576025 = 10145422^2 + 1101605^2 .

It is a cyclic number.

It is not a de Polignac number, because 104143121134109 - 2²⁸ = 104142852698653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104143121134159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52071560567054 + 52071560567055.

It is an arithmetic number, because the mean of its divisors is an integer number (52071560567055).

Almost surely, 2^{104143121134109} is an apocalyptic number.

It is an amenable number.

104143121134109 is a deficient number, since it is larger than the sum of its proper divisors (1).

104143121134109 is an equidigital number, since it uses as much as digits as its factorization.

104143121134109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 104143121134109 in words is "one hundred four trillion, one hundred forty-three billion, one hundred twenty-one million, one hundred thirty-four thousand, one hundred nine".