132601321 has 4 divisors (see below), whose sum is σ = 132816852. Its totient is φ = 132385792.

The previous prime is 132601307. The next prime is 132601327. The reversal of 132601321 is 123106231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48163600 + 84437721 = 6940^2 + 9189^2 .

It is a cyclic number.

It is not a de Polignac number, because 132601321 - 2¹¹ = 132599273 is a prime.

It is a super-5 number, since 5×132601321⁵ (a number of 42 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (132601327) 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, 106840 + ... + 108073.

It is an arithmetic number, because the mean of its divisors is an integer number (33204213).

Almost surely, 2^132601321 is an apocalyptic number.

It is an amenable number.

132601321 is a deficient number, since it is larger than the sum of its proper divisors (215531).

132601321 is an equidigital number, since it uses as much as digits as its factorization.

132601321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215530.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 132601321 is about 11515.2646951774. The cubic root of 132601321 is about 509.9363255119.

Adding to 132601321 its reverse (123106231), we get a palindrome (255707552).

The spelling of 132601321 in words is "one hundred thirty-two million, six hundred one thousand, three hundred twenty-one".