128183242 has 16 divisors (see below), whose sum is σ = 209952000. Its totient is φ = 58210240.

The previous prime is 128183239. The next prime is 128183243. The reversal of 128183242 is 242381821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (128183243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29634 + ... + 33682.

It is an arithmetic number, because the mean of its divisors is an integer number (13122000).

Almost surely, 2^128183242 is an apocalyptic number.

128183242 is a deficient number, since it is larger than the sum of its proper divisors (81768758).

128183242 is a wasteful number, since it uses less digits than its factorization.

128183242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501.

The product of its digits is 6144, while the sum is 31.

The square root of 128183242 is about 11321.8038315456. The cubic root of 128183242 is about 504.2087953443.

The spelling of 128183242 in words is "one hundred twenty-eight million, one hundred eighty-three thousand, two hundred forty-two".