1122234556789 has 4 divisors (see below), whose sum is σ = 1152565220524. Its totient is φ = 1091903893056.

The previous prime is 1122234556783. The next prime is 1122234556799. The reversal of 1122234556789 is 9876554322211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1014788272689 + 107446284100 = 1007367^2 + 327790^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122234556789 - 2²¹ = 1122232459637 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122234556783) 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 3 ways as a sum of consecutive naturals, for example, 15165331812 + ... + 15165331885.

It is an arithmetic number, because the mean of its divisors is an integer number (288141305131).

Almost surely, 2^{1122234556789} is an apocalyptic number.

It is an amenable number.

1122234556789 is a deficient number, since it is larger than the sum of its proper divisors (30330663735).

1122234556789 is an equidigital number, since it uses as much as digits as its factorization.

1122234556789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30330663734.

The product of its digits is 7257600, while the sum is 55.

The spelling of 1122234556789 in words is "one trillion, one hundred twenty-two billion, two hundred thirty-four million, five hundred fifty-six thousand, seven hundred eighty-nine".