128751803 has 2 divisors, whose sum is σ = 128751804. Its totient is φ = 128751802.

The previous prime is 128751743. The next prime is 128751827. The reversal of 128751803 is 308157821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128751803 - 2¹⁸ = 128489659 is a prime.

It is not a weakly prime, because it can be changed into another prime (128753803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64375901 + 64375902.

It is an arithmetic number, because the mean of its divisors is an integer number (64375902).

Almost surely, 2^128751803 is an apocalyptic number.

128751803 is a deficient number, since it is larger than the sum of its proper divisors (1).

128751803 is an equidigital number, since it uses as much as digits as its factorization.

128751803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 128751803 is about 11346.8851673047. The cubic root of 128751803 is about 504.9531741048.

The spelling of 128751803 in words is "one hundred twenty-eight million, seven hundred fifty-one thousand, eight hundred three".