128485533 has 16 divisors (see below), whose sum is σ = 187387200. Its totient is φ = 77662080.

The previous prime is 128485529. The next prime is 128485537. The reversal of 128485533 is 335584821.

It is an interprime number because it is at equal distance from previous prime (128485529) and next prime (128485537).

It is not a de Polignac number, because 128485533 - 2² = 128485529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128485491 and 128485500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128485537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7833 + ... + 17841.

It is an arithmetic number, because the mean of its divisors is an integer number (11711700).

Almost surely, 2^128485533 is an apocalyptic number.

It is an amenable number.

128485533 is a deficient number, since it is larger than the sum of its proper divisors (58901667).

128485533 is a wasteful number, since it uses less digits than its factorization.

128485533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10412.

The product of its digits is 115200, while the sum is 39.

The square root of 128485533 is about 11335.1459187785. The cubic root of 128485533 is about 504.6048380747.

It can be divided in two parts, 12848 and 5533, that added together give a palindrome (18381).

The spelling of 128485533 in words is "one hundred twenty-eight million, four hundred eighty-five thousand, five hundred thirty-three".