126631064726629 has 16 divisors (see below), whose sum is σ = 129587372310528. Its totient is φ = 123685764641712.

The previous prime is 126631064726623. The next prime is 126631064726657. The reversal of 126631064726629 is 926627460136621.

It is a cyclic number.

It is not a de Polignac number, because 126631064726629 - 2⁷ = 126631064726501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126631064726623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130297552 + ... + 131265814.

It is an arithmetic number, because the mean of its divisors is an integer number (8099210769408).

Almost surely, 2^{126631064726629} is an apocalyptic number.

It is an amenable number.

126631064726629 is a deficient number, since it is larger than the sum of its proper divisors (2956307583899).

126631064726629 is an equidigital number, since it uses as much as digits as its factorization.

126631064726629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973944.

The product of its (nonzero) digits is 47029248, while the sum is 61.

The spelling of 126631064726629 in words is "one hundred twenty-six trillion, six hundred thirty-one billion, sixty-four million, seven hundred twenty-six thousand, six hundred twenty-nine".