132421121 has 4 divisors (see below), whose sum is σ = 151338432. Its totient is φ = 113503812.

The previous prime is 132421087. The next prime is 132421141. The reversal of 132421121 is 121124231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121124231 = 379 ⋅319589.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132421121 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 132421121.

It is not an unprimeable number, because it can be changed into a prime (132421141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9458645 + ... + 9458658.

It is an arithmetic number, because the mean of its divisors is an integer number (37834608).

Almost surely, 2^132421121 is an apocalyptic number.

It is an amenable number.

132421121 is a deficient number, since it is larger than the sum of its proper divisors (18917311).

132421121 is an equidigital number, since it uses as much as digits as its factorization.

132421121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18917310.

The product of its digits is 96, while the sum is 17.

The square root of 132421121 is about 11507.4376383277. The cubic root of 132421121 is about 509.7052262996.

Adding to 132421121 its reverse (121124231), we get a palindrome (253545352).

The spelling of 132421121 in words is "one hundred thirty-two million, four hundred twenty-one thousand, one hundred twenty-one".