4128566 has 8 divisors (see below), whose sum is σ = 6669264. Its totient is φ = 1905480.

The previous prime is 4128557. The next prime is 4128581. The reversal of 4128566 is 6658214.

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 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, 79370 + ... + 79421.

It is an arithmetic number, because the mean of its divisors is an integer number (833658).

Almost surely, 2^4128566 is an apocalyptic number.

4128566 is a deficient number, since it is larger than the sum of its proper divisors (2540698).

4128566 is a wasteful number, since it uses less digits than its factorization.

4128566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158806.

The product of its digits is 11520, while the sum is 32.

The square root of 4128566 is about 2031.8873000243. The cubic root of 4128566 is about 160.4229176028.

The spelling of 4128566 in words is "four million, one hundred twenty-eight thousand, five hundred sixty-six".