128601703 has 2 divisors, whose sum is σ = 128601704. Its totient is φ = 128601702.

The previous prime is 128601679. The next prime is 128601731. The reversal of 128601703 is 307106821.

It is an a-pointer prime, because the next prime (128601731) can be obtained adding 128601703 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128601703 - 2²¹ = 126504551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128601203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64300851 + 64300852.

It is an arithmetic number, because the mean of its divisors is an integer number (64300852).

Almost surely, 2^128601703 is an apocalyptic number.

128601703 is a deficient number, since it is larger than the sum of its proper divisors (1).

128601703 is an equidigital number, since it uses as much as digits as its factorization.

128601703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 128601703 is about 11340.2690885181. The cubic root of 128601703 is about 504.7568714969.

The spelling of 128601703 in words is "one hundred twenty-eight million, six hundred one thousand, seven hundred three".