132240121 has 8 divisors (see below), whose sum is σ = 142970184. Its totient is φ = 121589760.

The previous prime is 132240089. The next prime is 132240137. The reversal of 132240121 is 121042231.

It can be written as a sum of positive squares in 4 ways, for example, as 44555625 + 87684496 = 6675^2 + 9364^2 .

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 132240121 - 2⁵ = 132240089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132240095 and 132240104.

It is not an unprimeable number, because it can be changed into a prime (132240191) 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, 16450 + ... + 23131.

It is an arithmetic number, because the mean of its divisors is an integer number (17871273).

Almost surely, 2^132240121 is an apocalyptic number.

It is an amenable number.

132240121 is a deficient number, since it is larger than the sum of its proper divisors (10730063).

132240121 is a wasteful number, since it uses less digits than its factorization.

132240121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39851.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 132240121 is about 11499.5704702393. The cubic root of 132240121 is about 509.4728899700.

Adding to 132240121 its reverse (121042231), we get a palindrome (253282352).

The spelling of 132240121 in words is "one hundred thirty-two million, two hundred forty thousand, one hundred twenty-one".