126228727 has 2 divisors, whose sum is σ = 126228728. Its totient is φ = 126228726.

The previous prime is 126228721. The next prime is 126228731. The reversal of 126228727 is 727822621.

It is a strong prime.

It is an emirp because it is prime and its reverse (727822621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126228727 - 2¹¹ = 126226679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126228721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63114363 + 63114364.

It is an arithmetic number, because the mean of its divisors is an integer number (63114364).

Almost surely, 2^126228727 is an apocalyptic number.

126228727 is a deficient number, since it is larger than the sum of its proper divisors (1).

126228727 is an equidigital number, since it uses as much as digits as its factorization.

126228727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 37.

The square root of 126228727 is about 11235.1558511665. The cubic root of 126228727 is about 501.6329637198.

The spelling of 126228727 in words is "one hundred twenty-six million, two hundred twenty-eight thousand, seven hundred twenty-seven".