126242057363 has 2 divisors, whose sum is σ = 126242057364. Its totient is φ = 126242057362.

The previous prime is 126242057261. The next prime is 126242057377. The reversal of 126242057363 is 363750242621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126242057363 - 2¹⁴ = 126242040979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126242057363.

It is not a weakly prime, because it can be changed into another prime (126242057563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63121028681 + 63121028682.

It is an arithmetic number, because the mean of its divisors is an integer number (63121028682).

Almost surely, 2^126242057363 is an apocalyptic number.

126242057363 is a deficient number, since it is larger than the sum of its proper divisors (1).

126242057363 is an equidigital number, since it uses as much as digits as its factorization.

126242057363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 41.

Adding to 126242057363 its reverse (363750242621), we get a palindrome (489992299984).

The spelling of 126242057363 in words is "one hundred twenty-six billion, two hundred forty-two million, fifty-seven thousand, three hundred sixty-three".