126471329 has 2 divisors, whose sum is σ = 126471330. Its totient is φ = 126471328.

The previous prime is 126471311. The next prime is 126471383. The reversal of 126471329 is 923174621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64770304 + 61701025 = 8048^2 + 7855^2 .

It is a cyclic number.

It is not a de Polignac number, because 126471329 - 2¹⁶ = 126405793 is a prime.

It is equal to p_7189118 and since 126471329 and 7189118 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (126471229) 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, 63235664 + 63235665.

It is an arithmetic number, because the mean of its divisors is an integer number (63235665).

Almost surely, 2^126471329 is an apocalyptic number.

It is an amenable number.

126471329 is a deficient number, since it is larger than the sum of its proper divisors (1).

126471329 is an equidigital number, since it uses as much as digits as its factorization.

126471329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 126471329 is about 11245.9472255564. The cubic root of 126471329 is about 501.9541248428.

The spelling of 126471329 in words is "one hundred twenty-six million, four hundred seventy-one thousand, three hundred twenty-nine".