4122321 has 24 divisors (see below), whose sum is σ = 6621120. Its totient is φ = 2272032.

The previous prime is 4122317. The next prime is 4122329. The reversal of 4122321 is 1232214.

It is not a de Polignac number, because 4122321 - 2² = 4122317 is a prime.

4122321 is a lucky number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 4122321.

It is not an unprimeable number, because it can be changed into a prime (4122329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3780 + ... + 4746.

It is an arithmetic number, because the mean of its divisors is an integer number (275880).

Almost surely, 2^4122321 is an apocalyptic number.

It is an amenable number.

4122321 is a deficient number, since it is larger than the sum of its proper divisors (2498799).

4122321 is a wasteful number, since it uses less digits than its factorization.

4122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1006 counting only the distinct ones).

The product of its digits is 96, while the sum is 15.

The square root of 4122321 is about 2030.3499698328. The cubic root of 4122321 is about 160.3419898517.

Adding to 4122321 its reverse (1232214), we get a palindrome (5354535).

The spelling of 4122321 in words is "four million, one hundred twenty-two thousand, three hundred twenty-one".