128176485 has 16 divisors (see below), whose sum is σ = 207555264. Its totient is φ = 67536512.

The previous prime is 128176459. The next prime is 128176553. The reversal of 128176485 is 584671821.

It is a cyclic number.

It is not a de Polignac number, because 128176485 - 2⁵ = 128176453 is a prime.

It is a super-3 number, since 3×128176485³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50232 + ... + 52721.

It is an arithmetic number, because the mean of its divisors is an integer number (12972204).

Almost surely, 2^128176485 is an apocalyptic number.

128176485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128176485 is a deficient number, since it is larger than the sum of its proper divisors (79378779).

128176485 is a wasteful number, since it uses less digits than its factorization.

128176485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103044.

The product of its digits is 107520, while the sum is 42.

The square root of 128176485 is about 11321.5054211001. The cubic root of 128176485 is about 504.1999356352.

The spelling of 128176485 in words is "one hundred twenty-eight million, one hundred seventy-six thousand, four hundred eighty-five".