128325285 has 48 divisors (see below), whose sum is σ = 248609088. Its totient is φ = 60691200.

The previous prime is 128325283. The next prime is 128325289. The reversal of 128325285 is 582523821.

128325285 is a `hidden beast` number, since 128 + 3 + 2 + 528 + 5 = 666.

It is not a de Polignac number, because 128325285 - 2¹ = 128325283 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128325283) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17134 + ... + 23456.

It is an arithmetic number, because the mean of its divisors is an integer number (5179356).

Almost surely, 2^128325285 is an apocalyptic number.

128325285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128325285 is a deficient number, since it is larger than the sum of its proper divisors (120283803).

128325285 is a wasteful number, since it uses less digits than its factorization.

128325285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6386 (or 6383 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 128325285 is about 11328.0750792003. The cubic root of 128325285 is about 504.3949686451.

The spelling of 128325285 in words is "one hundred twenty-eight million, three hundred twenty-five thousand, two hundred eighty-five".