1117667 has 4 divisors (see below), whose sum is σ = 1123176. Its totient is φ = 1112160.

The previous prime is 1117661. The next prime is 1117673. The reversal of 1117667 is 7667111.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1117661) and next prime (1117673).

It is a cyclic number.

It is not a de Polignac number, because 1117667 - 2⁶ = 1117603 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (1117661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2438 + ... + 2859.

It is an arithmetic number, because the mean of its divisors is an integer number (280794).

2^1117667 is an apocalyptic number.

1117667 is a deficient number, since it is larger than the sum of its proper divisors (5509).

1117667 is an equidigital number, since it uses as much as digits as its factorization.

1117667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5508.

The product of its digits is 1764, while the sum is 29.

The square root of 1117667 is about 1057.1977109321. The cubic root of 1117667 is about 103.7777242403. Note that the first 4 decimals are identical.

The spelling of 1117667 in words is "one million, one hundred seventeen thousand, six hundred sixty-seven".