128770682 has 16 divisors (see below), whose sum is σ = 206986752. Its totient is φ = 59866560.

The previous prime is 128770679. The next prime is 128770687. The reversal of 128770682 is 286077821.

It is not an unprimeable number, because it can be changed into a prime (128770687) 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, 19994 + ... + 25637.

It is an arithmetic number, because the mean of its divisors is an integer number (12936672).

Almost surely, 2^128770682 is an apocalyptic number.

128770682 is a deficient number, since it is larger than the sum of its proper divisors (78216070).

128770682 is a wasteful number, since it uses less digits than its factorization.

128770682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45733.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 128770682 is about 11347.7170391229. The cubic root of 128770682 is about 504.9778534875.

The spelling of 128770682 in words is "one hundred twenty-eight million, seven hundred seventy thousand, six hundred eighty-two".