232001121 has 16 divisors (see below), whose sum is σ = 337917888. Its totient is φ = 140414400.

The previous prime is 232001111. The next prime is 232001149. The reversal of 232001121 is 121100232.

It is not a de Polignac number, because 232001121 - 2⁵ = 232001089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 232001097 and 232001106.

It is not an unprimeable number, because it can be changed into a prime (232001111) 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 15 ways as a sum of consecutive naturals, for example, 21891 + ... + 30711.

It is an arithmetic number, because the mean of its divisors is an integer number (21119868).

Almost surely, 2^232001121 is an apocalyptic number.

It is an amenable number.

232001121 is a deficient number, since it is larger than the sum of its proper divisors (105916767).

232001121 is a wasteful number, since it uses less digits than its factorization.

232001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9632.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 232001121 is about 15231.5830103112. The cubic root of 232001121 is about 614.4643548100.

Adding to 232001121 its reverse (121100232), we get a palindrome (353101353).

The spelling of 232001121 in words is "two hundred thirty-two million, one thousand, one hundred twenty-one".