132001221 has 8 divisors (see below), whose sum is σ = 192001824. Its totient is φ = 80000720.

The previous prime is 132001213. The next prime is 132001241. The reversal of 132001221 is 122100231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132001221 - 2³ = 132001213 is a prime.

132001221 is a modest number, since divided by 1221 gives 132 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 132001197 and 132001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132001241) 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 7 ways as a sum of consecutive naturals, for example, 1999986 + ... + 2000051.

It is an arithmetic number, because the mean of its divisors is an integer number (24000228).

Almost surely, 2^132001221 is an apocalyptic number.

132001221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

132001221 is a deficient number, since it is larger than the sum of its proper divisors (60000603).

132001221 is a wasteful number, since it uses less digits than its factorization.

132001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000051.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 132001221 is about 11489.1784301577. The cubic root of 132001221 is about 509.1659068845.

Adding to 132001221 its reverse (122100231), we get a palindrome (254101452).

The spelling of 132001221 in words is "one hundred thirty-two million, one thousand, two hundred twenty-one".