401124043321 has 2 divisors, whose sum is σ = 401124043322. Its totient is φ = 401124043320.

The previous prime is 401124043279. The next prime is 401124043343. The reversal of 401124043321 is 123340421104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249500250000 + 151623793321 = 499500^2 + 389389^2 .

It is a cyclic number.

It is not a de Polignac number, because 401124043321 - 2²³ = 401115654713 is a prime.

It is not a weakly prime, because it can be changed into another prime (401124043921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200562021660 + 200562021661.

It is an arithmetic number, because the mean of its divisors is an integer number (200562021661).

Almost surely, 2^401124043321 is an apocalyptic number.

It is an amenable number.

401124043321 is a deficient number, since it is larger than the sum of its proper divisors (1).

401124043321 is an equidigital number, since it uses as much as digits as its factorization.

401124043321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 401124043321 its reverse (123340421104), we get a palindrome (524464464425).

The spelling of 401124043321 in words is "four hundred one billion, one hundred twenty-four million, forty-three thousand, three hundred twenty-one".