1123860620 has 24 divisors (see below), whose sum is σ = 2363621904. Its totient is φ = 448874816.

The previous prime is 1123860589. The next prime is 1123860631. The reversal of 1123860620 is 260683211.

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, 27962 + ... + 55041.

It is an arithmetic number, because the mean of its divisors is an integer number (98484246).

Almost surely, 2^1123860620 is an apocalyptic number.

1123860620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123860620 is an abundant number, since it is smaller than the sum of its proper divisors (1239761284).

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

1123860620 is a wasteful number, since it uses less digits than its factorization.

1123860620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83689 (or 83687 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1123860620 is about 33524.0304856084. The cubic root of 1123860620 is about 1039.6906809398.

The spelling of 1123860620 in words is "one billion, one hundred twenty-three million, eight hundred sixty thousand, six hundred twenty".