1116669 has 4 divisors (see below), whose sum is σ = 1488896. Its totient is φ = 744444.

The previous prime is 1116659. The next prime is 1116677. The reversal of 1116669 is 9666111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1116669 - 2⁴ = 1116653 is a prime.

It is a super-2 number, since 2×1116669² = 2493899311122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186109 + ... + 186114.

It is an arithmetic number, because the mean of its divisors is an integer number (372224).

2^1116669 is an apocalyptic number.

It is an amenable number.

1116669 is a deficient number, since it is larger than the sum of its proper divisors (372227).

1116669 is an equidigital number, since it uses as much as digits as its factorization.

1116669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372226.

The product of its digits is 1944, while the sum is 30.

The square root of 1116669 is about 1056.7256029831. The cubic root of 1116669 is about 103.7468262444.

The spelling of 1116669 in words is "one million, one hundred sixteen thousand, six hundred sixty-nine".