128442302 has 8 divisors (see below), whose sum is σ = 193201200. Its totient is φ = 64041904.

The previous prime is 128442277. The next prime is 128442311. The reversal of 128442302 is 203244821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88727 + ... + 90162.

It is an arithmetic number, because the mean of its divisors is an integer number (24150150).

Almost surely, 2^128442302 is an apocalyptic number.

128442302 is a deficient number, since it is larger than the sum of its proper divisors (64758898).

128442302 is a wasteful number, since it uses less digits than its factorization.

128442302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179250.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 128442302 is about 11333.2388133313. The cubic root of 128442302 is about 504.5482376198.

The spelling of 128442302 in words is "one hundred twenty-eight million, four hundred forty-two thousand, three hundred two".