126257006371 has 2 divisors, whose sum is σ = 126257006372. Its totient is φ = 126257006370.

The previous prime is 126257006297. The next prime is 126257006413. The reversal of 126257006371 is 173600752621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126257006371 - 2⁹ = 126257005859 is a prime.

It is not a weakly prime, because it can be changed into another prime (126257006171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63128503185 + 63128503186.

It is an arithmetic number, because the mean of its divisors is an integer number (63128503186).

Almost surely, 2^126257006371 is an apocalyptic number.

126257006371 is a deficient number, since it is larger than the sum of its proper divisors (1).

126257006371 is an equidigital number, since it uses as much as digits as its factorization.

126257006371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

Adding to 126257006371 its reverse (173600752621), we get a palindrome (299857758992).

The spelling of 126257006371 in words is "one hundred twenty-six billion, two hundred fifty-seven million, six thousand, three hundred seventy-one".