8233121 has 4 divisors (see below), whose sum is σ = 8866452. Its totient is φ = 7599792.

The previous prime is 8233111. The next prime is 8233133. The reversal of 8233121 is 1213328.

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

It can be written as a sum of positive squares in 2 ways, for example, as 883600 + 7349521 = 940^2 + 2711^2 .

It is a cyclic number.

It is not a de Polignac number, because 8233121 - 2¹⁴ = 8216737 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8233093 and 8233102.

It is not an unprimeable number, because it can be changed into a prime (8233111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316646 + ... + 316671.

It is an arithmetic number, because the mean of its divisors is an integer number (2216613).

Almost surely, 2^8233121 is an apocalyptic number.

It is an amenable number.

8233121 is a deficient number, since it is larger than the sum of its proper divisors (633331).

8233121 is a wasteful number, since it uses less digits than its factorization.

8233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633330.

The product of its digits is 288, while the sum is 20.

The square root of 8233121 is about 2869.3415621010. The cubic root of 8233121 is about 201.9241047432.

Adding to 8233121 its reverse (1213328), we get a palindrome (9446449).

The spelling of 8233121 in words is "eight million, two hundred thirty-three thousand, one hundred twenty-one".