4128507 has 12 divisors (see below), whose sum is σ = 5981040. Its totient is φ = 2744208.

The previous prime is 4128493. The next prime is 4128511. The reversal of 4128507 is 7058214.

It is not a de Polignac number, because 4128507 - 2⁷ = 4128379 is a prime.

4128507 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5469 + ... + 6177.

It is an arithmetic number, because the mean of its divisors is an integer number (498420).

Almost surely, 2^4128507 is an apocalyptic number.

4128507 is a deficient number, since it is larger than the sum of its proper divisors (1852533).

4128507 is a wasteful number, since it uses less digits than its factorization.

4128507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 4128507 is about 2031.8727814506. The cubic root of 4128507 is about 160.4221534152.

The spelling of 4128507 in words is "four million, one hundred twenty-eight thousand, five hundred seven".