1116667 has 4 divisors (see below), whose sum is σ = 1142680. Its totient is φ = 1090656.

The previous prime is 1116659. The next prime is 1116677. The reversal of 1116667 is 7666111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7666111 = 2383 ⋅3217.

It is a cyclic number.

It is not a de Polignac number, because 1116667 - 2³ = 1116659 is a prime.

It is a super-3 number, since 3×1116667³ = 4177267629723338889, which contains 333 as substring.

It is a Duffinian number.

1116667 is a lucky number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1116637) 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, 12942 + ... + 13027.

It is an arithmetic number, because the mean of its divisors is an integer number (285670).

2^1116667 is an apocalyptic number.

1116667 is a deficient number, since it is larger than the sum of its proper divisors (26013).

1116667 is an equidigital number, since it uses as much as digits as its factorization.

1116667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26012.

The product of its digits is 1512, while the sum is 28.

The square root of 1116667 is about 1056.7246566632. The cubic root of 1116667 is about 103.7467643061.

The spelling of 1116667 in words is "one million, one hundred sixteen thousand, six hundred sixty-seven".