126355447 has 2 divisors, whose sum is σ = 126355448. Its totient is φ = 126355446.

The previous prime is 126355423. The next prime is 126355469. The reversal of 126355447 is 744553621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126355447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126355417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63177723 + 63177724.

It is an arithmetic number, because the mean of its divisors is an integer number (63177724).

Almost surely, 2^126355447 is an apocalyptic number.

126355447 is a deficient number, since it is larger than the sum of its proper divisors (1).

126355447 is an equidigital number, since it uses as much as digits as its factorization.

126355447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 37.

The square root of 126355447 is about 11240.7938776583. The cubic root of 126355447 is about 501.8007693403.

The spelling of 126355447 in words is "one hundred twenty-six million, three hundred fifty-five thousand, four hundred forty-seven".