132021321 has 4 divisors (see below), whose sum is σ = 176028432. Its totient is φ = 88014212.

The previous prime is 132021319. The next prime is 132021347. The reversal of 132021321 is 123120231.

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.

It is a cyclic number.

It is not a de Polignac number, because 132021321 - 2¹ = 132021319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132021321.

It is not an unprimeable number, because it can be changed into a prime (132021391) 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 3 ways as a sum of consecutive naturals, for example, 22003551 + ... + 22003556.

It is an arithmetic number, because the mean of its divisors is an integer number (44007108).

Almost surely, 2^132021321 is an apocalyptic number.

It is an amenable number.

132021321 is a deficient number, since it is larger than the sum of its proper divisors (44007111).

132021321 is an equidigital number, since it uses as much as digits as its factorization.

132021321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44007110.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 132021321 is about 11490.0531330364. The cubic root of 132021321 is about 509.1917493609.

Adding to 132021321 its reverse (123120231), we get a palindrome (255141552).

The spelling of 132021321 in words is "one hundred thirty-two million, twenty-one thousand, three hundred twenty-one".