128434883 has 2 divisors, whose sum is σ = 128434884. Its totient is φ = 128434882.

The previous prime is 128434877. The next prime is 128434903. The reversal of 128434883 is 388434821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128434883 - 2⁶ = 128434819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128434883.

It is not a weakly prime, because it can be changed into another prime (128434853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64217441 + 64217442.

It is an arithmetic number, because the mean of its divisors is an integer number (64217442).

Almost surely, 2^128434883 is an apocalyptic number.

128434883 is a deficient number, since it is larger than the sum of its proper divisors (1).

128434883 is an equidigital number, since it uses as much as digits as its factorization.

128434883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 41.

The square root of 128434883 is about 11332.9114970514. The cubic root of 128434883 is about 504.5385229713.

The spelling of 128434883 in words is "one hundred twenty-eight million, four hundred thirty-four thousand, eight hundred eighty-three".