4135021 has 8 divisors (see below), whose sum is σ = 4536000. Its totient is φ = 3738240.

The previous prime is 4135003. The next prime is 4135037. The reversal of 4135021 is 1205314.

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

It is not a de Polignac number, because 4135021 - 2⁹ = 4134509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4134986 and 4135004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4135721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245 + ... + 3133.

It is an arithmetic number, because the mean of its divisors is an integer number (567000).

Almost surely, 2^4135021 is an apocalyptic number.

It is an amenable number.

4135021 is a deficient number, since it is larger than the sum of its proper divisors (400979).

4135021 is a wasteful number, since it uses less digits than its factorization.

4135021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 4135021 is about 2033.4751043472. The cubic root of 4135021 is about 160.5064809772.

The spelling of 4135021 in words is "four million, one hundred thirty-five thousand, twenty-one".