126512629 has 2 divisors, whose sum is σ = 126512630. Its totient is φ = 126512628.

The previous prime is 126512609. The next prime is 126512647. The reversal of 126512629 is 926215621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90212004 + 36300625 = 9498^2 + 6025^2 .

It is a cyclic number.

It is not a de Polignac number, because 126512629 - 2⁹ = 126512117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126512594 and 126512603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126512609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63256314 + 63256315.

It is an arithmetic number, because the mean of its divisors is an integer number (63256315).

Almost surely, 2^126512629 is an apocalyptic number.

It is an amenable number.

126512629 is a deficient number, since it is larger than the sum of its proper divisors (1).

126512629 is an equidigital number, since it uses as much as digits as its factorization.

126512629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 126512629 is about 11247.7832927204. The cubic root of 126512629 is about 502.0087576447.

The spelling of 126512629 in words is "one hundred twenty-six million, five hundred twelve thousand, six hundred twenty-nine".