1123322109 has 48 divisors (see below), whose sum is σ = 1927150848. Its totient is φ = 576471168.

The previous prime is 1123322099. The next prime is 1123322111. The reversal of 1123322109 is 9012233211.

It is not a de Polignac number, because 1123322109 - 2⁸ = 1123321853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123322309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62764 + ... + 78650.

It is an arithmetic number, because the mean of its divisors is an integer number (40148976).

Almost surely, 2^1123322109 is an apocalyptic number.

It is an amenable number.

1123322109 is a deficient number, since it is larger than the sum of its proper divisors (803828739).

1123322109 is a wasteful number, since it uses less digits than its factorization.

1123322109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15954 (or 15947 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1123322109 is about 33515.9978070175. The cubic root of 1123322109 is about 1039.5245944141.

The spelling of 1123322109 in words is "one billion, one hundred twenty-three million, three hundred twenty-two thousand, one hundred nine".