1123816 has 8 divisors (see below), whose sum is σ = 2107170. Its totient is φ = 561904.

The previous prime is 1123807. The next prime is 1123841. The reversal of 1123816 is 6183211.

It can be written as a sum of positive squares in only one way, i.e., 1102500 + 21316 = 1050^2 + 146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70231 + ... + 70246.

2^1123816 is an apocalyptic number.

It is an amenable number.

1123816 is a deficient number, since it is larger than the sum of its proper divisors (983354).

1123816 is a wasteful number, since it uses less digits than its factorization.

1123816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140483 (or 140479 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 1123816 is about 1060.1018818963. The cubic root of 1123816 is about 103.9676921341.

The spelling of 1123816 in words is "one million, one hundred twenty-three thousand, eight hundred sixteen".