126620673827 has 16 divisors (see below), whose sum is σ = 134637826752. Its totient is φ = 118667136000.

The previous prime is 126620673779. The next prime is 126620673833. The reversal of 126620673827 is 728376026621.

It is a cyclic number.

It is not a de Polignac number, because 126620673827 - 2¹⁸ = 126620411683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126620673887) 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, 13412753 + ... + 13422189.

It is an arithmetic number, because the mean of its divisors is an integer number (8414864172).

Almost surely, 2^126620673827 is an apocalyptic number.

126620673827 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

126620673827 is a deficient number, since it is larger than the sum of its proper divisors (8017152925).

126620673827 is a wasteful number, since it uses less digits than its factorization.

126620673827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12718.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 126620673827 in words is "one hundred twenty-six billion, six hundred twenty million, six hundred seventy-three thousand, eight hundred twenty-seven".