4128442 has 8 divisors (see below), whose sum is σ = 6277716. Its totient is φ = 2035872.

The previous prime is 4128427. The next prime is 4128451. The reversal of 4128442 is 2448214.

It can be written as a sum of positive squares in 2 ways, for example, as 4124961 + 3481 = 2031^2 + 59^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13993 + ... + 14284.

Almost surely, 2^4128442 is an apocalyptic number.

4128442 is a deficient number, since it is larger than the sum of its proper divisors (2149274).

4128442 is a wasteful number, since it uses less digits than its factorization.

4128442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28352.

The product of its digits is 2048, while the sum is 25.

The square root of 4128442 is about 2031.8567862918. The cubic root of 4128442 is about 160.4213115051.

The spelling of 4128442 in words is "four million, one hundred twenty-eight thousand, four hundred forty-two".