128843082 has 16 divisors (see below), whose sum is σ = 286318080. Its totient is φ = 42947676.

The previous prime is 128843081. The next prime is 128843101. The reversal of 128843082 is 280348821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (128843081) 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, 1192938 + ... + 1193045.

It is an arithmetic number, because the mean of its divisors is an integer number (17894880).

Almost surely, 2^128843082 is an apocalyptic number.

128843082 is an abundant number, since it is smaller than the sum of its proper divisors (157474998).

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

128843082 is a wasteful number, since it uses less digits than its factorization.

128843082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385994 (or 2385988 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 128843082 is about 11350.9066598224. The cubic root of 128843082 is about 505.0724753022.

The spelling of 128843082 in words is "one hundred twenty-eight million, eight hundred forty-three thousand, eighty-two".