1122343000 has 96 divisors (see below), whose sum is σ = 2693208960. Its totient is φ = 437774400.

The previous prime is 1122342989. The next prime is 1122343031. The reversal of 1122343000 is 3432211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1848697 + ... + 1849303.

It is an arithmetic number, because the mean of its divisors is an integer number (28054260).

Almost surely, 2^1122343000 is an apocalyptic number.

1122343000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122343000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346604480).

1122343000 is an abundant number, since it is smaller than the sum of its proper divisors (1570865960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122343000 is an equidigital number, since it uses as much as digits as its factorization.

1122343000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1122343000 is about 33501.3880309458. The cubic root of 1122343000 is about 1039.2224834598. Note that the first 3 decimals are identical.

Adding to 1122343000 its reverse (3432211), we get a palindrome (1125775211).

The spelling of 1122343000 in words is "one billion, one hundred twenty-two million, three hundred forty-three thousand".