126343447 has 2 divisors, whose sum is σ = 126343448. Its totient is φ = 126343446.

The previous prime is 126343411. The next prime is 126343453. The reversal of 126343447 is 744343621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126343447 - 2⁷ = 126343319 is a prime.

It is equal to p_7182268 and since 126343447 and 7182268 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126343487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63171723 + 63171724.

It is an arithmetic number, because the mean of its divisors is an integer number (63171724).

Almost surely, 2^126343447 is an apocalyptic number.

126343447 is a deficient number, since it is larger than the sum of its proper divisors (1).

126343447 is an equidigital number, since it uses as much as digits as its factorization.

126343447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 34.

The square root of 126343447 is about 11240.2600948555. The cubic root of 126343447 is about 501.7848834670.

The spelling of 126343447 in words is "one hundred twenty-six million, three hundred forty-three thousand, four hundred forty-seven".