132001021 has 4 divisors (see below), whose sum is σ = 133672000. Its totient is φ = 130330044.

The previous prime is 132001003. The next prime is 132001027. The reversal of 132001021 is 120100231.

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: 120100231 = 31 ⋅3874201.

It is a cyclic number.

It is not a de Polignac number, because 132001021 - 2⁷ = 132000893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132000989 and 132001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132001027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835371 + ... + 835528.

It is an arithmetic number, because the mean of its divisors is an integer number (33418000).

Almost surely, 2^132001021 is an apocalyptic number.

It is an amenable number.

132001021 is a deficient number, since it is larger than the sum of its proper divisors (1670979).

132001021 is an equidigital number, since it uses as much as digits as its factorization.

132001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670978.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 132001021 is about 11489.1697263118. The cubic root of 132001021 is about 509.1656497322.

Adding to 132001021 its reverse (120100231), we get a palindrome (252101252).

The spelling of 132001021 in words is "one hundred thirty-two million, one thousand, twenty-one".