128419703 has 2 divisors, whose sum is σ = 128419704. Its totient is φ = 128419702.

The previous prime is 128419699. The next prime is 128419723. The reversal of 128419703 is 307914821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128419703 - 2² = 128419699 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128419723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64209851 + 64209852.

It is an arithmetic number, because the mean of its divisors is an integer number (64209852).

Almost surely, 2^128419703 is an apocalyptic number.

128419703 is a deficient number, since it is larger than the sum of its proper divisors (1).

128419703 is an equidigital number, since it uses as much as digits as its factorization.

128419703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 128419703 is about 11332.2417464507. The cubic root of 128419703 is about 504.5186446840.

The spelling of 128419703 in words is "one hundred twenty-eight million, four hundred nineteen thousand, seven hundred three".