1123818 has 8 divisors (see below), whose sum is σ = 2247648. Its totient is φ = 374604.

The previous prime is 1123807. The next prime is 1123841. The reversal of 1123818 is 8183211.

It is a sphenic number, since it is the product of 3 distinct primes.

1123818 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93646 + ... + 93657.

It is an arithmetic number, because the mean of its divisors is an integer number (280956).

2^1123818 is an apocalyptic number.

1123818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1123818 is a wasteful number, since it uses less digits than its factorization.

1123818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187308.

The product of its digits is 384, while the sum is 24.

The square root of 1123818 is about 1060.1028252014. The cubic root of 1123818 is about 103.9677538095.

The spelling of 1123818 in words is "one million, one hundred twenty-three thousand, eight hundred eighteen".