126443533 has 2 divisors, whose sum is σ = 126443534. Its totient is φ = 126443532.

The previous prime is 126443507. The next prime is 126443543. The reversal of 126443533 is 335344621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121594729 + 4848804 = 11027^2 + 2202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126443533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126443495 and 126443504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126443503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63221766 + 63221767.

It is an arithmetic number, because the mean of its divisors is an integer number (63221767).

Almost surely, 2^126443533 is an apocalyptic number.

It is an amenable number.

126443533 is a deficient number, since it is larger than the sum of its proper divisors (1).

126443533 is an equidigital number, since it uses as much as digits as its factorization.

126443533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 31.

The square root of 126443533 is about 11244.7113346675. The cubic root of 126443533 is about 501.9173488156.

The spelling of 126443533 in words is "one hundred twenty-six million, four hundred forty-three thousand, five hundred thirty-three".