128273060 has 12 divisors (see below), whose sum is σ = 269373468. Its totient is φ = 51309216.

The previous prime is 128273059. The next prime is 128273087. The reversal of 128273060 is 60372821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80856064 + 47416996 = 8992^2 + 6886^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3206807 + ... + 3206846.

It is an arithmetic number, because the mean of its divisors is an integer number (22447789).

Almost surely, 2^128273060 is an apocalyptic number.

128273060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128273060 is an abundant number, since it is smaller than the sum of its proper divisors (141100408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128273060 is a wasteful number, since it uses less digits than its factorization.

128273060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413662 (or 6413660 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 128273060 is about 11325.7697310161. The cubic root of 128273060 is about 504.3265342194.

The spelling of 128273060 in words is "one hundred twenty-eight million, two hundred seventy-three thousand, sixty".