126380629 has 2 divisors, whose sum is σ = 126380630. Its totient is φ = 126380628.

The previous prime is 126380599. The next prime is 126380633. The reversal of 126380629 is 926083621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115992900 + 10387729 = 10770^2 + 3223^2 .

It is a cyclic number.

It is not a de Polignac number, because 126380629 - 2¹⁵ = 126347861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126380659) 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, 63190314 + 63190315.

It is an arithmetic number, because the mean of its divisors is an integer number (63190315).

Almost surely, 2^126380629 is an apocalyptic number.

It is an amenable number.

126380629 is a deficient number, since it is larger than the sum of its proper divisors (1).

126380629 is an equidigital number, since it uses as much as digits as its factorization.

126380629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 126380629 is about 11241.9139384715. The cubic root of 126380629 is about 501.8341025758.

The spelling of 126380629 in words is "one hundred twenty-six million, three hundred eighty thousand, six hundred twenty-nine".