1121273839085 has 16 divisors (see below), whose sum is σ = 1348863667200. Its totient is φ = 894796094016.

The previous prime is 1121273839069. The next prime is 1121273839111. The reversal of 1121273839085 is 5809383721211.

It is a cyclic number.

It is not a de Polignac number, because 1121273839085 - 2⁴ = 1121273839069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34171907 + ... + 34204703.

It is an arithmetic number, because the mean of its divisors is an integer number (84303979200).

Almost surely, 2^{1121273839085} is an apocalyptic number.

It is an amenable number.

1121273839085 is a deficient number, since it is larger than the sum of its proper divisors (227589828115).

1121273839085 is a wasteful number, since it uses less digits than its factorization.

1121273839085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49540.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 1121273839085 in words is "one trillion, one hundred twenty-one billion, two hundred seventy-three million, eight hundred thirty-nine thousand, eighty-five".