126436147 has 2 divisors, whose sum is σ = 126436148. Its totient is φ = 126436146.

The previous prime is 126436139. The next prime is 126436151. The reversal of 126436147 is 741634621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126436147 - 2³ = 126436139 is a prime.

It is not a weakly prime, because it can be changed into another prime (126436447) 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, 63218073 + 63218074.

It is an arithmetic number, because the mean of its divisors is an integer number (63218074).

Almost surely, 2^126436147 is an apocalyptic number.

126436147 is a deficient number, since it is larger than the sum of its proper divisors (1).

126436147 is an equidigital number, since it uses as much as digits as its factorization.

126436147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 126436147 is about 11244.3829088127. The cubic root of 126436147 is about 501.9075757212.

The spelling of 126436147 in words is "one hundred twenty-six million, four hundred thirty-six thousand, one hundred forty-seven".