4128459 has 4 divisors (see below), whose sum is σ = 5504616. Its totient is φ = 2752304.

The previous prime is 4128451. The next prime is 4128493. The reversal of 4128459 is 9548214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4128459 - 2³ = 4128451 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4128451) 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 3 ways as a sum of consecutive naturals, for example, 688074 + ... + 688079.

It is an arithmetic number, because the mean of its divisors is an integer number (1376154).

Almost surely, 2^4128459 is an apocalyptic number.

4128459 is a deficient number, since it is larger than the sum of its proper divisors (1376157).

4128459 is a wasteful number, since it uses less digits than its factorization.

4128459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376156.

The product of its digits is 11520, while the sum is 33.

The square root of 4128459 is about 2031.8609696532. The cubic root of 4128459 is about 160.4215316978.

The spelling of 4128459 in words is "four million, one hundred twenty-eight thousand, four hundred fifty-nine".