104102021173 has 2 divisors, whose sum is σ = 104102021174. Its totient is φ = 104102021172.

The previous prime is 104102021147. The next prime is 104102021207. The reversal of 104102021173 is 371120201401.

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., 57635045329 + 46466975844 = 240073^2 + 215562^2 .

It is a cyclic number.

It is not a de Polignac number, because 104102021173 - 2²⁵ = 104068466741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104102021473) 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, 52051010586 + 52051010587.

It is an arithmetic number, because the mean of its divisors is an integer number (52051010587).

Almost surely, 2^104102021173 is an apocalyptic number.

It is an amenable number.

104102021173 is a deficient number, since it is larger than the sum of its proper divisors (1).

104102021173 is an equidigital number, since it uses as much as digits as its factorization.

104102021173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 104102021173 its reverse (371120201401), we get a palindrome (475222222574).

The spelling of 104102021173 in words is "one hundred four billion, one hundred two million, twenty-one thousand, one hundred seventy-three".