1232322121 has 8 divisors (see below), whose sum is σ = 1297630080. Its totient is φ = 1167059088.

The previous prime is 1232322107. The next prime is 1232322127. The reversal of 1232322121 is 1212232321.

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 1232322121 - 2⁹ = 1232321609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (1232322127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55215 + ... + 74251.

It is an arithmetic number, because the mean of its divisors is an integer number (162203760).

Almost surely, 2^1232322121 is an apocalyptic number.

It is an amenable number.

1232322121 is a deficient number, since it is larger than the sum of its proper divisors (65307959).

1232322121 is a wasteful number, since it uses less digits than its factorization.

1232322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22463.

The product of its digits is 288, while the sum is 19.

The square root of 1232322121 is about 35104.4458865255. The cubic root of 1232322121 is about 1072.1151049757.

Adding to 1232322121 its reverse (1212232321), we get a palindrome (2444554442).

The spelling of 1232322121 in words is "one billion, two hundred thirty-two million, three hundred twenty-two thousand, one hundred twenty-one".