424134043121 has 2 divisors, whose sum is σ = 424134043122. Its totient is φ = 424134043120.

The previous prime is 424134043063. The next prime is 424134043147. The reversal of 424134043121 is 121340431424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249001000000 + 175133043121 = 499000^2 + 418489^2 .

It is a cyclic number.

It is not a de Polignac number, because 424134043121 - 2⁶ = 424134043057 is a prime.

It is not a weakly prime, because it can be changed into another prime (424134043321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212067021560 + 212067021561.

It is an arithmetic number, because the mean of its divisors is an integer number (212067021561).

Almost surely, 2^424134043121 is an apocalyptic number.

It is an amenable number.

424134043121 is a deficient number, since it is larger than the sum of its proper divisors (1).

424134043121 is an equidigital number, since it uses as much as digits as its factorization.

424134043121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 424134043121 its reverse (121340431424), we get a palindrome (545474474545).

The spelling of 424134043121 in words is "four hundred twenty-four billion, one hundred thirty-four million, forty-three thousand, one hundred twenty-one".