1121417273869 has 8 divisors (see below), whose sum is σ = 1128421451520. Its totient is φ = 1114432526400.

The previous prime is 1121417273819. The next prime is 1121417273909. The reversal of 1121417273869 is 9683727141211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121417273869 - 2⁹ = 1121417273357 is a prime.

It is a super-2 number, since 2×1121417273869² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121417273819) 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 7 ways as a sum of consecutive naturals, for example, 4741747 + ... + 4972624.

It is an arithmetic number, because the mean of its divisors is an integer number (141052681440).

Almost surely, 2^{1121417273869} is an apocalyptic number.

It is an amenable number.

1121417273869 is a deficient number, since it is larger than the sum of its proper divisors (7004177651).

1121417273869 is an equidigital number, since it uses as much as digits as its factorization.

1121417273869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9715091.

The product of its digits is 1016064, while the sum is 52.

The spelling of 1121417273869 in words is "one trillion, one hundred twenty-one billion, four hundred seventeen million, two hundred seventy-three thousand, eight hundred sixty-nine".