126626379028 has 6 divisors (see below), whose sum is σ = 221596163306. Its totient is φ = 63313189512.

The previous prime is 126626379001. The next prime is 126626379031. The reversal of 126626379028 is 820973626621.

It can be written as a sum of positive squares in only one way, i.e., 112646154384 + 13980224644 = 335628^2 + 118238^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15828297375 + ... + 15828297382.

Almost surely, 2^126626379028 is an apocalyptic number.

It is an amenable number.

126626379028 is a deficient number, since it is larger than the sum of its proper divisors (94969784278).

126626379028 is a wasteful number, since it uses less digits than its factorization.

126626379028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31656594761 (or 31656594759 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 126626379028 in words is "one hundred twenty-six billion, six hundred twenty-six million, three hundred seventy-nine thousand, twenty-eight".