132021421 has 8 divisors (see below), whose sum is σ = 150954944. Its totient is φ = 113106240.

The previous prime is 132021401. The next prime is 132021431. The reversal of 132021421 is 124120231.

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 132021421 - 2¹³ = 132013229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132021395 and 132021404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132021401) 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 7 ways as a sum of consecutive naturals, for example, 18826 + ... + 24868.

It is an arithmetic number, because the mean of its divisors is an integer number (18869368).

Almost surely, 2^132021421 is an apocalyptic number.

It is an amenable number.

132021421 is a deficient number, since it is larger than the sum of its proper divisors (18933523).

132021421 is an equidigital number, since it uses as much as digits as its factorization.

132021421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9171.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 132021421 is about 11490.0574846256. The cubic root of 132021421 is about 509.1918779238.

Adding to 132021421 its reverse (124120231), we get a palindrome (256141652).

The spelling of 132021421 in words is "one hundred thirty-two million, twenty-one thousand, four hundred twenty-one".