1125082142689 has 2 divisors, whose sum is σ = 1125082142690. Its totient is φ = 1125082142688.

The previous prime is 1125082142683. The next prime is 1125082142719. The reversal of 1125082142689 is 9862412805211.

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., 1058052932689 + 67029210000 = 1028617^2 + 258900^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125082142689 - 2¹³ = 1125082134497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1125082142683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562541071344 + 562541071345.

It is an arithmetic number, because the mean of its divisors is an integer number (562541071345).

Almost surely, 2^{1125082142689} is an apocalyptic number.

It is an amenable number.

1125082142689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125082142689 is an equidigital number, since it uses as much as digits as its factorization.

1125082142689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 1125082142689 in words is "one trillion, one hundred twenty-five billion, eighty-two million, one hundred forty-two thousand, six hundred eighty-nine".