1118667 has 16 divisors (see below), whose sum is σ = 1647360. Its totient is φ = 669600.

The previous prime is 1118659. The next prime is 1118713. The reversal of 1118667 is 7668111.

It is a happy number.

It is not a de Polignac number, because 1118667 - 2³ = 1118659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3442 + ... + 3752.

It is an arithmetic number, because the mean of its divisors is an integer number (102960).

2^1118667 is an apocalyptic number.

1118667 is a deficient number, since it is larger than the sum of its proper divisors (528693).

1118667 is a wasteful number, since it uses less digits than its factorization.

1118667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its digits is 2016, while the sum is 30.

The square root of 1118667 is about 1057.6705536224. The cubic root of 1118667 is about 103.8086657130.

It can be divided in two parts, 111 and 8667, that added together give a palindrome (8778).

The spelling of 1118667 in words is "one million, one hundred eighteen thousand, six hundred sixty-seven".