126744899461 has 2 divisors, whose sum is σ = 126744899462. Its totient is φ = 126744899460.

The previous prime is 126744899353. The next prime is 126744899471. The reversal of 126744899461 is 164998447621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121247418436 + 5497481025 = 348206^2 + 74145^2 .

It is a cyclic number.

It is not a de Polignac number, because 126744899461 - 2²⁹ = 126208028549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126744899461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126744899471) 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, 63372449730 + 63372449731.

It is an arithmetic number, because the mean of its divisors is an integer number (63372449731).

Almost surely, 2^126744899461 is an apocalyptic number.

It is an amenable number.

126744899461 is a deficient number, since it is larger than the sum of its proper divisors (1).

126744899461 is an equidigital number, since it uses as much as digits as its factorization.

126744899461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888, while the sum is 61.

The spelling of 126744899461 in words is "one hundred twenty-six billion, seven hundred forty-four million, eight hundred ninety-nine thousand, four hundred sixty-one".