1123389744 has 40 divisors (see below), whose sum is σ = 3054834240. Its totient is φ = 354754368.

The previous prime is 1123389739. The next prime is 1123389769. The reversal of 1123389744 is 4479833211.

It is a junction number, because it is equal to n+sod(n) for n = 1123389696 and 1123389705.

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 7 ways as a sum of consecutive naturals, for example, 614982 + ... + 616805.

It is an arithmetic number, because the mean of its divisors is an integer number (76370856).

Almost surely, 2^1123389744 is an apocalyptic number.

It is an amenable number.

1123389744 is an abundant number, since it is smaller than the sum of its proper divisors (1931444496).

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

1123389744 is a wasteful number, since it uses less digits than its factorization.

1123389744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231817 (or 1231811 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 1123389744 is about 33517.0067875996. The cubic root of 1123389744 is about 1039.5454571848.

The spelling of 1123389744 in words is "one billion, one hundred twenty-three million, three hundred eighty-nine thousand, seven hundred forty-four".