32401023121 has 2 divisors, whose sum is σ = 32401023122. Its totient is φ = 32401023120.

The previous prime is 32401023077. The next prime is 32401023191. The reversal of 32401023121 is 12132010423.

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., 32376964096 + 24059025 = 179936^2 + 4905^2 .

It is a cyclic number.

It is not a de Polignac number, because 32401023121 - 2¹⁹ = 32400498833 is a prime.

It is not a weakly prime, because it can be changed into another prime (32401023191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16200511560 + 16200511561.

It is an arithmetic number, because the mean of its divisors is an integer number (16200511561).

Almost surely, 2^32401023121 is an apocalyptic number.

It is an amenable number.

32401023121 is a deficient number, since it is larger than the sum of its proper divisors (1).

32401023121 is an equidigital number, since it uses as much as digits as its factorization.

32401023121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 32401023121 its reverse (12132010423), we get a palindrome (44533033544).

The spelling of 32401023121 in words is "thirty-two billion, four hundred one million, twenty-three thousand, one hundred twenty-one".