132104221 has 2 divisors, whose sum is σ = 132104222. Its totient is φ = 132104220.

The previous prime is 132104201. The next prime is 132104227. The reversal of 132104221 is 122401231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96236100 + 35868121 = 9810^2 + 5989^2 .

It is a cyclic number.

It is not a de Polignac number, because 132104221 - 2²¹ = 130007069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132104195 and 132104204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132104227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66052110 + 66052111.

It is an arithmetic number, because the mean of its divisors is an integer number (66052111).

Almost surely, 2^132104221 is an apocalyptic number.

It is an amenable number.

132104221 is a deficient number, since it is larger than the sum of its proper divisors (1).

132104221 is an equidigital number, since it uses as much as digits as its factorization.

132104221 is an evil number, because the sum of its binary digits is even.

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

The square root of 132104221 is about 11493.6600349932. The cubic root of 132104221 is about 509.2983057954.

Adding to 132104221 its reverse (122401231), we get a palindrome (254505452).

The spelling of 132104221 in words is "one hundred thirty-two million, one hundred four thousand, two hundred twenty-one".