126941679871 has 2 divisors, whose sum is σ = 126941679872. Its totient is φ = 126941679870.

The previous prime is 126941679857. The next prime is 126941679883. The reversal of 126941679871 is 178976149621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126941679871 - 2²³ = 126933291263 is a prime.

It is a super-2 number, since 2×126941679871² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126941679811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63470839935 + 63470839936.

It is an arithmetic number, because the mean of its divisors is an integer number (63470839936).

Almost surely, 2^126941679871 is an apocalyptic number.

126941679871 is a deficient number, since it is larger than the sum of its proper divisors (1).

126941679871 is an equidigital number, since it uses as much as digits as its factorization.

126941679871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 61.

The spelling of 126941679871 in words is "one hundred twenty-six billion, nine hundred forty-one million, six hundred seventy-nine thousand, eight hundred seventy-one".