128770170 has 16 divisors (see below), whose sum is σ = 309048480. Its totient is φ = 34338704.

The previous prime is 128770153. The next prime is 128770183. The reversal of 128770170 is 71077821.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2146140 + ... + 2146199.

It is an arithmetic number, because the mean of its divisors is an integer number (19315530).

Almost surely, 2^128770170 is an apocalyptic number.

128770170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128770170 is an abundant number, since it is smaller than the sum of its proper divisors (180278310).

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

128770170 is a wasteful number, since it uses less digits than its factorization.

128770170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292349.

The product of its (nonzero) digits is 5488, while the sum is 33.

The square root of 128770170 is about 11347.6944794967. The cubic root of 128770170 is about 504.9771842125.

The spelling of 128770170 in words is "one hundred twenty-eight million, seven hundred seventy thousand, one hundred seventy".