128355883 has 2 divisors, whose sum is σ = 128355884. Its totient is φ = 128355882.

The previous prime is 128355881. The next prime is 128355907. The reversal of 128355883 is 388553821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128355883 - 2¹ = 128355881 is a prime.

Together with 128355881, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (128355881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64177941 + 64177942.

It is an arithmetic number, because the mean of its divisors is an integer number (64177942).

Almost surely, 2^128355883 is an apocalyptic number.

128355883 is a deficient number, since it is larger than the sum of its proper divisors (1).

128355883 is an equidigital number, since it uses as much as digits as its factorization.

128355883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 43.

The square root of 128355883 is about 11329.4255370694. The cubic root of 128355883 is about 504.4350549272.

The spelling of 128355883 in words is "one hundred twenty-eight million, three hundred fifty-five thousand, eight hundred eighty-three".