1116819 has 24 divisors (see below), whose sum is σ = 1825200. Its totient is φ = 651840.

The previous prime is 1116809. The next prime is 1116821. The reversal of 1116819 is 9186111.

It is not a de Polignac number, because 1116819 - 2¹² = 1112723 is a prime.

It is a super-2 number, since 2×1116819² = 2494569357522, which contains 22 as substring.

Its product of digits (432) is a multiple of the sum of its prime divisors (432).

It is a junction number, because it is equal to n+sod(n) for n = 1116792 and 1116801.

It is not an unprimeable number, because it can be changed into a prime (1116809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2677 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (76050).

2^1116819 is an apocalyptic number.

1116819 is a deficient number, since it is larger than the sum of its proper divisors (708381).

1116819 is a wasteful number, since it uses less digits than its factorization.

1116819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 432 counting only the distinct ones).

The product of its digits is 432, while the sum is 27.

The square root of 1116819 is about 1056.7965745592. The cubic root of 1116819 is about 103.7514714070.

The spelling of 1116819 in words is "one million, one hundred sixteen thousand, eight hundred nineteen".