126429252727 has 2 divisors, whose sum is σ = 126429252728. Its totient is φ = 126429252726.

The previous prime is 126429252661. The next prime is 126429252731. The reversal of 126429252727 is 727252924621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126429252727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126429252737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63214626363 + 63214626364.

It is an arithmetic number, because the mean of its divisors is an integer number (63214626364).

Almost surely, 2^126429252727 is an apocalyptic number.

126429252727 is a deficient number, since it is larger than the sum of its proper divisors (1).

126429252727 is an equidigital number, since it uses as much as digits as its factorization.

126429252727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 49.

The spelling of 126429252727 in words is "one hundred twenty-six billion, four hundred twenty-nine million, two hundred fifty-two thousand, seven hundred twenty-seven".