126632294258 has 18 divisors (see below), whose sum is σ = 196297651053. Its totient is φ = 61266141960.

The previous prime is 126632294231. The next prime is 126632294287. The reversal of 126632294258 is 852492236621.

It can be written as a sum of positive squares in 2 ways, for example, as 100315992529 + 26316301729 = 316727^2 + 162223^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=251627.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15596816 + ... + 15604932.

Almost surely, 2^126632294258 is an apocalyptic number.

126632294258 is a deficient number, since it is larger than the sum of its proper divisors (69665356795).

126632294258 is an frugal number, since it uses more digits than its factorization.

126632294258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16298 (or 8150 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 50.

Multiplying 126632294258 by its sum of digits (50), we get a square (6331614712900 = 2516270²).

The spelling of 126632294258 in words is "one hundred twenty-six billion, six hundred thirty-two million, two hundred ninety-four thousand, two hundred fifty-eight".