4021123 has 8 divisors (see below), whose sum is σ = 4158720. Its totient is φ = 3885120.

The previous prime is 4021099. The next prime is 4021151. The reversal of 4021123 is 3211204.

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 4021123 - 2⁵ = 4021091 is a prime.

It is a super-2 number, since 2×4021123² = 32338860362258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021153) 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, 6783 + ... + 7351.

It is an arithmetic number, because the mean of its divisors is an integer number (519840).

Almost surely, 2^4021123 is an apocalyptic number.

4021123 is a deficient number, since it is larger than the sum of its proper divisors (137597).

4021123 is a wasteful number, since it uses less digits than its factorization.

4021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4021123 is about 2005.2737967669. The cubic root of 4021123 is about 159.0190370519.

Adding to 4021123 its reverse (3211204), we get a palindrome (7232327).

The spelling of 4021123 in words is "four million, twenty-one thousand, one hundred twenty-three".