126044737601 has 2 divisors, whose sum is σ = 126044737602. Its totient is φ = 126044737600.

The previous prime is 126044737589. The next prime is 126044737639. The reversal of 126044737601 is 106737440621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123340737601 + 2704000000 = 351199^2 + 52000^2 .

It is a cyclic number.

It is not a de Polignac number, because 126044737601 - 2²⁶ = 125977628737 is a prime.

It is not a weakly prime, because it can be changed into another prime (126044737681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63022368800 + 63022368801.

It is an arithmetic number, because the mean of its divisors is an integer number (63022368801).

Almost surely, 2^126044737601 is an apocalyptic number.

It is an amenable number.

126044737601 is a deficient number, since it is larger than the sum of its proper divisors (1).

126044737601 is an equidigital number, since it uses as much as digits as its factorization.

126044737601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 126044737601 in words is "one hundred twenty-six billion, forty-four million, seven hundred thirty-seven thousand, six hundred one".