401202042424171 has 2 divisors, whose sum is σ = 401202042424172. Its totient is φ = 401202042424170.

The previous prime is 401202042424087. The next prime is 401202042424177. The reversal of 401202042424171 is 171424240202104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401202042424171 - 2²¹ = 401202040327019 is a prime.

It is not a weakly prime, because it can be changed into another prime (401202042424177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200601021212085 + 200601021212086.

It is an arithmetic number, because the mean of its divisors is an integer number (200601021212086).

Almost surely, 2^{401202042424171} is an apocalyptic number.

401202042424171 is a deficient number, since it is larger than the sum of its proper divisors (1).

401202042424171 is an equidigital number, since it uses as much as digits as its factorization.

401202042424171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28672, while the sum is 34.

Adding to 401202042424171 its reverse (171424240202104), we get a palindrome (572626282626275).

The spelling of 401202042424171 in words is "four hundred one trillion, two hundred two billion, forty-two million, four hundred twenty-four thousand, one hundred seventy-one".