126445733 has 2 divisors, whose sum is σ = 126445734. Its totient is φ = 126445732.

The previous prime is 126445729. The next prime is 126445793. The reversal of 126445733 is 337544621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72965764 + 53479969 = 8542^2 + 7313^2 .

It is an emirp because it is prime and its reverse (337544621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126445733 - 2² = 126445729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126445693 and 126445702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126445723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63222866 + 63222867.

It is an arithmetic number, because the mean of its divisors is an integer number (63222867).

Almost surely, 2^126445733 is an apocalyptic number.

It is an amenable number.

126445733 is a deficient number, since it is larger than the sum of its proper divisors (1).

126445733 is an equidigital number, since it uses as much as digits as its factorization.

126445733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 35.

The square root of 126445733 is about 11244.8091580071. The cubic root of 126445733 is about 501.9202597639.

The spelling of 126445733 in words is "one hundred twenty-six million, four hundred forty-five thousand, seven hundred thirty-three".