4128407 has 8 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 4024504.

The previous prime is 4128401. The next prime is 4128409. The reversal of 4128407 is 7048214.

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

It is a cyclic number.

It is not a de Polignac number, because 4128407 - 2⁴ = 4128391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128401) 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, 9644 + ... + 10062.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^4128407 is an apocalyptic number.

4128407 is a deficient number, since it is larger than the sum of its proper divisors (105193).

4128407 is a wasteful number, since it uses less digits than its factorization.

4128407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 4128407 is about 2031.8481734618. The cubic root of 4128407 is about 160.4208581653.

The spelling of 4128407 in words is "four million, one hundred twenty-eight thousand, four hundred seven".