128133042 has 8 divisors (see below), whose sum is σ = 256266096. Its totient is φ = 42711012.

The previous prime is 128132987. The next prime is 128133059. The reversal of 128133042 is 240331821.

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

128133042 is an admirable 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, 10677748 + ... + 10677759.

It is an arithmetic number, because the mean of its divisors is an integer number (32033262).

Almost surely, 2^128133042 is an apocalyptic number.

128133042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128133042 is a wasteful number, since it uses less digits than its factorization.

128133042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21355512.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 128133042 is about 11319.5866532308. The cubic root of 128133042 is about 504.1429661817.

Adding to 128133042 its reverse (240331821), we get a palindrome (368464863).

The spelling of 128133042 in words is "one hundred twenty-eight million, one hundred thirty-three thousand, forty-two".