132042221 has 4 divisors (see below), whose sum is σ = 132096000. Its totient is φ = 131988444.

The previous prime is 132042217. The next prime is 132042227. The reversal of 132042221 is 122240231.

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 132042221 - 2² = 132042217 is a prime.

It is a super-2 number, since 2×132042221² = 34870296253225682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132042221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132042227) 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, 23021 + ... + 28178.

It is an arithmetic number, because the mean of its divisors is an integer number (33024000).

Almost surely, 2^132042221 is an apocalyptic number.

It is an amenable number.

132042221 is a deficient number, since it is larger than the sum of its proper divisors (53779).

132042221 is an equidigital number, since it uses as much as digits as its factorization.

132042221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53778.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 132042221 is about 11490.9625793490. The cubic root of 132042221 is about 509.2186176120.

Adding to 132042221 its reverse (122240231), we get a palindrome (254282452).

The spelling of 132042221 in words is "one hundred thirty-two million, forty-two thousand, two hundred twenty-one".