128600300003173 has 2 divisors, whose sum is σ = 128600300003174. Its totient is φ = 128600300003172.

The previous prime is 128600300003159. The next prime is 128600300003239. The reversal of 128600300003173 is 371300003006821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117140402752164 + 11459897251009 = 10823142^2 + 3385247^2 .

It is a cyclic number.

It is not a de Polignac number, because 128600300003173 - 2⁵ = 128600300003141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128600300003873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64300150001586 + 64300150001587.

It is an arithmetic number, because the mean of its divisors is an integer number (64300150001587).

Almost surely, 2^{128600300003173} is an apocalyptic number.

It is an amenable number.

128600300003173 is a deficient number, since it is larger than the sum of its proper divisors (1).

128600300003173 is an equidigital number, since it uses as much as digits as its factorization.

128600300003173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 128600300003173 its reverse (371300003006821), we get a palindrome (499900303009994).

The spelling of 128600300003173 in words is "one hundred twenty-eight trillion, six hundred billion, three hundred million, three thousand, one hundred seventy-three".