126427529 has 2 divisors, whose sum is σ = 126427530. Its totient is φ = 126427528.

The previous prime is 126427523. The next prime is 126427531. The reversal of 126427529 is 925724621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78499600 + 47927929 = 8860^2 + 6923^2 .

It is a cyclic number.

It is not a de Polignac number, because 126427529 - 2⁴ = 126427513 is a prime.

Together with 126427531, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 126427492 and 126427501.

It is not a weakly prime, because it can be changed into another prime (126427523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63213764 + 63213765.

It is an arithmetic number, because the mean of its divisors is an integer number (63213765).

Almost surely, 2^126427529 is an apocalyptic number.

It is an amenable number.

126427529 is a deficient number, since it is larger than the sum of its proper divisors (1).

126427529 is an equidigital number, since it uses as much as digits as its factorization.

126427529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 126427529 is about 11243.9996887229. Note that the first 3 decimals coincide. The cubic root of 126427529 is about 501.8961719735.

The spelling of 126427529 in words is "one hundred twenty-six million, four hundred twenty-seven thousand, five hundred twenty-nine".