128302850 has 24 divisors (see below), whose sum is σ = 257001780. Its totient is φ = 47373120.

The previous prime is 128302849. The next prime is 128302871. The reversal of 128302850 is 58203821.

It can be written as a sum of positive squares in 6 ways, for example, as 58262689 + 70040161 = 7633^2 + 8369^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98045 + ... + 99344.

Almost surely, 2^128302850 is an apocalyptic number.

128302850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128302850 is an abundant number, since it is smaller than the sum of its proper divisors (128698930).

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

128302850 is a wasteful number, since it uses less digits than its factorization.

128302850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197414 (or 197409 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 128302850 is about 11327.0847970694. The cubic root of 128302850 is about 504.3655726180.

The spelling of 128302850 in words is "one hundred twenty-eight million, three hundred two thousand, eight hundred fifty".