128093842 has 8 divisors (see below), whose sum is σ = 192291696. Its totient is φ = 63996612.

The previous prime is 128093821. The next prime is 128093879. The reversal of 128093842 is 248390821.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21888 + ... + 27115.

It is an arithmetic number, because the mean of its divisors is an integer number (24036462).

Almost surely, 2^128093842 is an apocalyptic number.

128093842 is a deficient number, since it is larger than the sum of its proper divisors (64197854).

128093842 is a wasteful number, since it uses less digits than its factorization.

128093842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50312.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 128093842 is about 11317.8550087903. The cubic root of 128093842 is about 504.0915497798.

The spelling of 128093842 in words is "one hundred twenty-eight million, ninety-three thousand, eight hundred forty-two".