126773123044 has 12 divisors (see below), whose sum is σ = 234903139884. Its totient is φ = 59657940224.

The previous prime is 126773123041. The next prime is 126773123053. The reversal of 126773123044 is 440321377621.

It can be written as a sum of positive squares in 2 ways, for example, as 115844929600 + 10928193444 = 340360^2 + 104538^2 .

It is a super-3 number, since 3×126773123044³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126773122988 and 126773123006.

It is not an unprimeable number, because it can be changed into a prime (126773123041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932155249 + ... + 932155384.

It is an arithmetic number, because the mean of its divisors is an integer number (19575261657).

Almost surely, 2^126773123044 is an apocalyptic number.

It is an amenable number.

126773123044 is a deficient number, since it is larger than the sum of its proper divisors (108130016840).

126773123044 is a wasteful number, since it uses less digits than its factorization.

126773123044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864310654 (or 1864310652 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 126773123044 in words is "one hundred twenty-six billion, seven hundred seventy-three million, one hundred twenty-three thousand, forty-four".