1123808 has 48 divisors (see below), whose sum is σ = 2630880. Its totient is φ = 462336.

The previous prime is 1123807. The next prime is 1123841. The reversal of 1123808 is 8083211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6410 + ... + 6582.

It is an arithmetic number, because the mean of its divisors is an integer number (54810).

2^1123808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1315440).

1123808 is an abundant number, since it is smaller than the sum of its proper divisors (1507072).

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

1123808 is a wasteful number, since it uses less digits than its factorization.

1123808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1123808 is about 1060.0981086673. The cubic root of 1123808 is about 103.9674454320.

The spelling of 1123808 in words is "one million, one hundred twenty-three thousand, eight hundred eight".