232137121 has 8 divisors (see below), whose sum is σ = 238442400. Its totient is φ = 225862560.

The previous prime is 232137097. The next prime is 232137151. The reversal of 232137121 is 121731232.

It is a happy number.

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 232137121 - 2⁹ = 232136609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232137092 and 232137101.

It is not an unprimeable number, because it can be changed into a prime (232137151) 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, 8070 + ... + 23008.

It is an arithmetic number, because the mean of its divisors is an integer number (29805300).

Almost surely, 2^232137121 is an apocalyptic number.

It is an amenable number.

232137121 is a deficient number, since it is larger than the sum of its proper divisors (6305279).

232137121 is a wasteful number, since it uses less digits than its factorization.

232137121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15359.

The product of its digits is 504, while the sum is 22.

The square root of 232137121 is about 15236.0467641708. The cubic root of 232137121 is about 614.5843985237.

Adding to 232137121 its reverse (121731232), we get a palindrome (353868353).

The spelling of 232137121 in words is "two hundred thirty-two million, one hundred thirty-seven thousand, one hundred twenty-one".