128600203 has 2 divisors, whose sum is σ = 128600204. Its totient is φ = 128600202.

The previous prime is 128600201. The next prime is 128600233. The reversal of 128600203 is 302006821.

It is a weak prime.

It is an emirp because it is prime and its reverse (302006821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128600203 - 2¹ = 128600201 is a prime.

Together with 128600201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (128600201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64300101 + 64300102.

It is an arithmetic number, because the mean of its divisors is an integer number (64300102).

Almost surely, 2^128600203 is an apocalyptic number.

128600203 is a deficient number, since it is larger than the sum of its proper divisors (1).

128600203 is an equidigital number, since it uses as much as digits as its factorization.

128600203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 128600203 is about 11340.2029523285. The cubic root of 128600203 is about 504.7549090080.

The spelling of 128600203 in words is "one hundred twenty-eight million, six hundred thousand, two hundred three".