132123521 has 2 divisors, whose sum is σ = 132123522. Its totient is φ = 132123520.

The previous prime is 132123491. The next prime is 132123527. The reversal of 132123521 is 125321231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76038400 + 56085121 = 8720^2 + 7489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132123521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132123493 and 132123502.

It is not a weakly prime, because it can be changed into another prime (132123527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66061760 + 66061761.

It is an arithmetic number, because the mean of its divisors is an integer number (66061761).

Almost surely, 2^132123521 is an apocalyptic number.

It is an amenable number.

132123521 is a deficient number, since it is larger than the sum of its proper divisors (1).

132123521 is an equidigital number, since it uses as much as digits as its factorization.

132123521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 20.

The square root of 132123521 is about 11494.4995976336. The cubic root of 132123521 is about 509.3231068668.

Adding to 132123521 its reverse (125321231), we get a palindrome (257444752).

It can be divided in two parts, 1321 and 23521, that added together give a palindrome (24842).

The spelling of 132123521 in words is "one hundred thirty-two million, one hundred twenty-three thousand, five hundred twenty-one".