126744347 has 2 divisors, whose sum is σ = 126744348. Its totient is φ = 126744346.

The previous prime is 126744323. The next prime is 126744391. The reversal of 126744347 is 743447621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126744347 - 2¹⁴ = 126727963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126744347.

It is not a weakly prime, because it can be changed into another prime (126744047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63372173 + 63372174.

It is an arithmetic number, because the mean of its divisors is an integer number (63372174).

Almost surely, 2^126744347 is an apocalyptic number.

126744347 is a deficient number, since it is larger than the sum of its proper divisors (1).

126744347 is an equidigital number, since it uses as much as digits as its factorization.

126744347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 38.

The square root of 126744347 is about 11258.0791878544. The cubic root of 126744347 is about 502.3150604468.

The spelling of 126744347 in words is "one hundred twenty-six million, seven hundred forty-four thousand, three hundred forty-seven".