128800143 has 24 divisors (see below), whose sum is σ = 198119376. Its totient is φ = 80352000.

The previous prime is 128800141. The next prime is 128800157. The reversal of 128800143 is 341008821.

It is not a de Polignac number, because 128800143 - 2¹ = 128800141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128800141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25368 + ... + 30018.

It is an arithmetic number, because the mean of its divisors is an integer number (8254974).

Almost surely, 2^128800143 is an apocalyptic number.

128800143 is a deficient number, since it is larger than the sum of its proper divisors (69319233).

128800143 is a wasteful number, since it uses less digits than its factorization.

128800143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855 (or 4852 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 128800143 is about 11349.0150673968. The cubic root of 128800143 is about 505.0163612645.

Adding to 128800143 its reverse (341008821), we get a palindrome (469808964).

The spelling of 128800143 in words is "one hundred twenty-eight million, eight hundred thousand, one hundred forty-three".