1039124068681 has 2 divisors, whose sum is σ = 1039124068682. Its totient is φ = 1039124068680.

The previous prime is 1039124068649. The next prime is 1039124068777. The reversal of 1039124068681 is 1868604219301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 997483585081 + 41640483600 = 998741^2 + 204060^2 .

It is a cyclic number.

It is not a de Polignac number, because 1039124068681 - 2⁵ = 1039124068649 is a prime.

It is a super-2 number, since 2×1039124068681² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1039124068481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519562034340 + 519562034341.

It is an arithmetic number, because the mean of its divisors is an integer number (519562034341).

Almost surely, 2^{1039124068681} is an apocalyptic number.

It is an amenable number.

1039124068681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1039124068681 is an equidigital number, since it uses as much as digits as its factorization.

1039124068681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 1039124068681 in words is "one trillion, thirty-nine billion, one hundred twenty-four million, sixty-eight thousand, six hundred eighty-one".