104134134121 has 2 divisors, whose sum is σ = 104134134122. Its totient is φ = 104134134120.

The previous prime is 104134134079. The next prime is 104134134179. The reversal of 104134134121 is 121431431401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102312978496 + 1821155625 = 319864^2 + 42675^2 .

It is a cyclic number.

It is not a de Polignac number, because 104134134121 - 2³³ = 95544199529 is a prime.

It is not a weakly prime, because it can be changed into another prime (104134134191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52067067060 + 52067067061.

It is an arithmetic number, because the mean of its divisors is an integer number (52067067061).

Almost surely, 2^104134134121 is an apocalyptic number.

It is an amenable number.

104134134121 is a deficient number, since it is larger than the sum of its proper divisors (1).

104134134121 is an equidigital number, since it uses as much as digits as its factorization.

104134134121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 104134134121 its reverse (121431431401), we get a palindrome (225565565522).

The spelling of 104134134121 in words is "one hundred four billion, one hundred thirty-four million, one hundred thirty-four thousand, one hundred twenty-one".