126115924901 has 2 divisors, whose sum is σ = 126115924902. Its totient is φ = 126115924900.

The previous prime is 126115924861. The next prime is 126115924931. The reversal of 126115924901 is 109429511621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98841072100 + 27274852801 = 314390^2 + 165151^2 .

It is an emirp because it is prime and its reverse (109429511621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126115924901 - 2²⁶ = 126048816037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126115924931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63057962450 + 63057962451.

It is an arithmetic number, because the mean of its divisors is an integer number (63057962451).

Almost surely, 2^126115924901 is an apocalyptic number.

It is an amenable number.

126115924901 is a deficient number, since it is larger than the sum of its proper divisors (1).

126115924901 is an equidigital number, since it uses as much as digits as its factorization.

126115924901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 126115924901 in words is "one hundred twenty-six billion, one hundred fifteen million, nine hundred twenty-four thousand, nine hundred one".