132123401 has 2 divisors, whose sum is σ = 132123402. Its totient is φ = 132123400.

The previous prime is 132123389. The next prime is 132123419. The reversal of 132123401 is 104321231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113209600 + 18913801 = 10640^2 + 4349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132123401 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 132123401.

It is not a weakly prime, because it can be changed into another prime (132123451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66061700 + 66061701.

It is an arithmetic number, because the mean of its divisors is an integer number (66061701).

Almost surely, 2^132123401 is an apocalyptic number.

It is an amenable number.

132123401 is a deficient number, since it is larger than the sum of its proper divisors (1).

132123401 is an equidigital number, since it uses as much as digits as its factorization.

132123401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 132123401 is about 11494.4943777445. The cubic root of 132123401 is about 509.3229526707.

Adding to 132123401 its reverse (104321231), we get a palindrome (236444632).

The spelling of 132123401 in words is "one hundred thirty-two million, one hundred twenty-three thousand, four hundred one".