132203021 has 2 divisors, whose sum is σ = 132203022. Its totient is φ = 132203020.

The previous prime is 132203017. The next prime is 132203047. The reversal of 132203021 is 120302231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83356900 + 48846121 = 9130^2 + 6989^2 .

It is a cyclic number.

It is not a de Polignac number, because 132203021 - 2² = 132203017 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 132202987 and 132203005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132203051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66101510 + 66101511.

It is an arithmetic number, because the mean of its divisors is an integer number (66101511).

Almost surely, 2^132203021 is an apocalyptic number.

It is an amenable number.

132203021 is a deficient number, since it is larger than the sum of its proper divisors (1).

132203021 is an equidigital number, since it uses as much as digits as its factorization.

132203021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 132203021 is about 11497.9572533559. The cubic root of 132203021 is about 509.4252412637.

Adding to 132203021 its reverse (120302231), we get a palindrome (252505252).

The spelling of 132203021 in words is "one hundred thirty-two million, two hundred three thousand, twenty-one".