126144727 has 2 divisors, whose sum is σ = 126144728. Its totient is φ = 126144726.

The previous prime is 126144721. The next prime is 126144737. The reversal of 126144727 is 727441621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126144727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126144692 and 126144701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126144721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63072363 + 63072364.

It is an arithmetic number, because the mean of its divisors is an integer number (63072364).

Almost surely, 2^126144727 is an apocalyptic number.

126144727 is a deficient number, since it is larger than the sum of its proper divisors (1).

126144727 is an equidigital number, since it uses as much as digits as its factorization.

126144727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 34.

The square root of 126144727 is about 11231.4169631441. The cubic root of 126144727 is about 501.5216670277.

The spelling of 126144727 in words is "one hundred twenty-six million, one hundred forty-four thousand, seven hundred twenty-seven".