126137820089107 has 2 divisors, whose sum is σ = 126137820089108. Its totient is φ = 126137820089106.

The previous prime is 126137820088979. The next prime is 126137820089137. The reversal of 126137820089107 is 701980028731621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126137820089107 - 2⁷ = 126137820088979 is a prime.

It is a super-2 number, since 2×126137820089107² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126137820089137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63068910044553 + 63068910044554.

It is an arithmetic number, because the mean of its divisors is an integer number (63068910044554).

Almost surely, 2^{126137820089107} is an apocalyptic number.

126137820089107 is a deficient number, since it is larger than the sum of its proper divisors (1).

126137820089107 is an equidigital number, since it uses as much as digits as its factorization.

126137820089107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 55.

The spelling of 126137820089107 in words is "one hundred twenty-six trillion, one hundred thirty-seven billion, eight hundred twenty million, eighty-nine thousand, one hundred seven".