126428747 has 2 divisors, whose sum is σ = 126428748. Its totient is φ = 126428746.

The previous prime is 126428699. The next prime is 126428759. The reversal of 126428747 is 747824621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126428747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126428767) 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, 63214373 + 63214374.

It is an arithmetic number, because the mean of its divisors is an integer number (63214374).

Almost surely, 2^126428747 is an apocalyptic number.

126428747 is a deficient number, since it is larger than the sum of its proper divisors (1).

126428747 is an equidigital number, since it uses as much as digits as its factorization.

126428747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150528, while the sum is 41.

The square root of 126428747 is about 11244.0538508138. The cubic root of 126428747 is about 501.8977837205.

The spelling of 126428747 in words is "one hundred twenty-six million, four hundred twenty-eight thousand, seven hundred forty-seven".