1122889451243 has 8 divisors (see below), whose sum is σ = 1283396512512. Its totient is φ = 962405960616.

The previous prime is 1122889451209. The next prime is 1122889451309. The reversal of 1122889451243 is 3421549882211.

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 1122889451243 - 2¹⁰ = 1122889450219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122889451191 and 1122889451200.

It is not an unprimeable number, because it can be changed into a prime (1122889421243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5790455 + ... + 5981232.

It is an arithmetic number, because the mean of its divisors is an integer number (160424564064).

Almost surely, 2^{1122889451243} is an apocalyptic number.

1122889451243 is a deficient number, since it is larger than the sum of its proper divisors (160507061269).

1122889451243 is a wasteful number, since it uses less digits than its factorization.

1122889451243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11785321.

The product of its digits is 1105920, while the sum is 50.

The spelling of 1122889451243 in words is "one trillion, one hundred twenty-two billion, eight hundred eighty-nine million, four hundred fifty-one thousand, two hundred forty-three".