128053559 has 12 divisors (see below), whose sum is σ = 138815064. Its totient is φ = 118022832.

The previous prime is 128053553. The next prime is 128053561. The reversal of 128053559 is 955350821.

It is a de Polignac number, because none of the positive numbers 2^k-128053559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128053553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8564 + ... + 18150.

It is an arithmetic number, because the mean of its divisors is an integer number (11567922).

Almost surely, 2^128053559 is an apocalyptic number.

128053559 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

128053559 is a deficient number, since it is larger than the sum of its proper divisors (10761505).

128053559 is an equidigital number, since it uses as much as digits as its factorization.

128053559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9662 (or 9643 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 128053559 is about 11316.0752471871. The cubic root of 128053559 is about 504.0387019390.

The spelling of 128053559 in words is "one hundred twenty-eight million, fifty-three thousand, five hundred fifty-nine".