4128572 has 12 divisors (see below), whose sum is σ = 8257200. Its totient is φ = 1769376.

The previous prime is 4128557. The next prime is 4128581. The reversal of 4128572 is 2758214.

4128572 is an admirable number.

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, 73697 + ... + 73752.

It is an arithmetic number, because the mean of its divisors is an integer number (688100).

Almost surely, 2^4128572 is an apocalyptic number.

It is an amenable number.

4128572 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.

4128572 is a wasteful number, since it uses less digits than its factorization.

4128572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147460 (or 147458 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 4128572 is about 2031.8887764836. Note that the first 3 decimals coincide. The cubic root of 4128572 is about 160.4229953164.

The spelling of 4128572 in words is "four million, one hundred twenty-eight thousand, five hundred seventy-two".