420726202161241 has 2 divisors, whose sum is σ = 420726202161242. Its totient is φ = 420726202161240.

The previous prime is 420726202161203. The next prime is 420726202161269. The reversal of 420726202161241 is 142161202627024.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357324732211225 + 63401469950016 = 18903035^2 + 7962504^2 .

It is a cyclic number.

It is not a de Polignac number, because 420726202161241 - 2²¹ = 420726200064089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420726202161194 and 420726202161203.

It is not a weakly prime, because it can be changed into another prime (420726202161281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210363101080620 + 210363101080621.

It is an arithmetic number, because the mean of its divisors is an integer number (210363101080621).

Almost surely, 2^{420726202161241} is an apocalyptic number.

It is an amenable number.

420726202161241 is a deficient number, since it is larger than the sum of its proper divisors (1).

420726202161241 is an equidigital number, since it uses as much as digits as its factorization.

420726202161241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 40.

Adding to 420726202161241 its reverse (142161202627024), we get a palindrome (562887404788265).

The spelling of 420726202161241 in words is "four hundred twenty trillion, seven hundred twenty-six billion, two hundred two million, one hundred sixty-one thousand, two hundred forty-one".