132421001 has 4 divisors (see below), whose sum is σ = 132847104. Its totient is φ = 131994900.

The previous prime is 132420997. The next prime is 132421019. The reversal of 132421001 is 100124231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100124231 = 4217 ⋅23743.

It is a cyclic number.

It is not a de Polignac number, because 132421001 - 2² = 132420997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (132421061) 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, 212585 + ... + 213206.

It is an arithmetic number, because the mean of its divisors is an integer number (33211776).

Almost surely, 2^132421001 is an apocalyptic number.

It is an amenable number.

132421001 is a deficient number, since it is larger than the sum of its proper divisors (426103).

132421001 is an equidigital number, since it uses as much as digits as its factorization.

132421001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426102.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 132421001 is about 11507.4324243073. The cubic root of 132421001 is about 509.7050723346.

Adding to 132421001 its reverse (100124231), we get a palindrome (232545232).

The spelling of 132421001 in words is "one hundred thirty-two million, four hundred twenty-one thousand, one".