126348222437 has 2 divisors, whose sum is σ = 126348222438. Its totient is φ = 126348222436.

The previous prime is 126348222349. The next prime is 126348222439. The reversal of 126348222437 is 734222843621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115237165156 + 11111057281 = 339466^2 + 105409^2 .

It is a cyclic number.

It is not a de Polignac number, because 126348222437 - 2²⁰ = 126347173861 is a prime.

Together with 126348222439, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126348222439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63174111218 + 63174111219.

It is an arithmetic number, because the mean of its divisors is an integer number (63174111219).

Almost surely, 2^126348222437 is an apocalyptic number.

It is an amenable number.

126348222437 is a deficient number, since it is larger than the sum of its proper divisors (1).

126348222437 is an equidigital number, since it uses as much as digits as its factorization.

126348222437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 44.

The spelling of 126348222437 in words is "one hundred twenty-six billion, three hundred forty-eight million, two hundred twenty-two thousand, four hundred thirty-seven".