128842206 has 32 divisors (see below), whose sum is σ = 264906240. Its totient is φ = 41760576.

The previous prime is 128842199. The next prime is 128842229. The reversal of 128842206 is 602248821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29730 + ... + 33786.

It is an arithmetic number, because the mean of its divisors is an integer number (8278320).

Almost surely, 2^128842206 is an apocalyptic number.

128842206 is an abundant number, since it is smaller than the sum of its proper divisors (136064034).

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

128842206 is a wasteful number, since it uses less digits than its factorization.

128842206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4208.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 128842206 is about 11350.8680725308. The cubic root of 128842206 is about 505.0713306424.

The spelling of 128842206 in words is "one hundred twenty-eight million, eight hundred forty-two thousand, two hundred six".