126078629 has 2 divisors, whose sum is σ = 126078630. Its totient is φ = 126078628.

The previous prime is 126078611. The next prime is 126078677. The reversal of 126078629 is 926870621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102556129 + 23522500 = 10127^2 + 4850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126078629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126071629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63039314 + 63039315.

It is an arithmetic number, because the mean of its divisors is an integer number (63039315).

Almost surely, 2^126078629 is an apocalyptic number.

It is an amenable number.

126078629 is a deficient number, since it is larger than the sum of its proper divisors (1).

126078629 is an equidigital number, since it uses as much as digits as its factorization.

126078629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 126078629 is about 11228.4740281126. The cubic root of 126078629 is about 501.4340550401.

The spelling of 126078629 in words is "one hundred twenty-six million, seventy-eight thousand, six hundred twenty-nine".