128735060 has 24 divisors (see below), whose sum is σ = 279667080. Its totient is φ = 49718144.

The previous prime is 128735059. The next prime is 128735069. The reversal of 128735060 is 60537821.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4813636 + 123921424 = 2194^2 + 11132^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128735069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110399 + ... + 111558.

It is an arithmetic number, because the mean of its divisors is an integer number (11652795).

Almost surely, 2^128735060 is an apocalyptic number.

128735060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128735060 is an abundant number, since it is smaller than the sum of its proper divisors (150932020).

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

128735060 is a wasteful number, since it uses less digits than its factorization.

128735060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221995 (or 221993 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 128735060 is about 11346.1473637530. The cubic root of 128735060 is about 504.9312849680.

The spelling of 128735060 in words is "one hundred twenty-eight million, seven hundred thirty-five thousand, sixty".