1123734860 has 24 divisors (see below), whose sum is σ = 2484046320. Its totient is φ = 425836224.

The previous prime is 1123734853. The next prime is 1123734893. The reversal of 1123734860 is 684373211.

It is a self number, because there is not a number n which added to its sum of digits gives 1123734860.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1478219 + ... + 1478978.

It is an arithmetic number, because the mean of its divisors is an integer number (103501930).

Almost surely, 2^1123734860 is an apocalyptic number.

1123734860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123734860 is an abundant number, since it is smaller than the sum of its proper divisors (1360311460).

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

1123734860 is a wasteful number, since it uses less digits than its factorization.

1123734860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957225 (or 2957223 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1123734860 is about 33522.1547636783. The cubic root of 1123734860 is about 1039.6518990318.

The spelling of 1123734860 in words is "one billion, one hundred twenty-three million, seven hundred thirty-four thousand, eight hundred sixty".