126985488673 has 2 divisors, whose sum is σ = 126985488674. Its totient is φ = 126985488672.

The previous prime is 126985488583. The next prime is 126985488683. The reversal of 126985488673 is 376884589621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73553779264 + 53431709409 = 271208^2 + 231153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126985488673 is a prime.

It is a super-2 number, since 2×126985488673² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126985488599 and 126985488608.

It is not a weakly prime, because it can be changed into another prime (126985488683) 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 as a sum of consecutive naturals, namely, 63492744336 + 63492744337.

It is an arithmetic number, because the mean of its divisors is an integer number (63492744337).

Almost surely, 2^126985488673 is an apocalyptic number.

It is an amenable number.

126985488673 is a deficient number, since it is larger than the sum of its proper divisors (1).

126985488673 is an equidigital number, since it uses as much as digits as its factorization.

126985488673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139345920, while the sum is 67.

The spelling of 126985488673 in words is "one hundred twenty-six billion, nine hundred eighty-five million, four hundred eighty-eight thousand, six hundred seventy-three".