128068242 has 32 divisors (see below), whose sum is σ = 273715200. Its totient is φ = 39806208.

The previous prime is 128068201. The next prime is 128068247. The reversal of 128068242 is 242860821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (128068247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5359 + ... + 16877.

It is an arithmetic number, because the mean of its divisors is an integer number (8553600).

Almost surely, 2^128068242 is an apocalyptic number.

128068242 is an abundant number, since it is smaller than the sum of its proper divisors (145646958).

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

128068242 is a wasteful number, since it uses less digits than its factorization.

128068242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11650.

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

The square root of 128068242 is about 11316.7239959274. The cubic root of 128068242 is about 504.0579660591.

The spelling of 128068242 in words is "one hundred twenty-eight million, sixty-eight thousand, two hundred forty-two".