1116671 has 4 divisors (see below), whose sum is σ = 1118832. Its totient is φ = 1114512.

The previous prime is 1116659. The next prime is 1116677. The reversal of 1116671 is 1766111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1766111 = 743 ⋅2377.

It is a cyclic number.

It is not a de Polignac number, because 1116671 - 2¹⁸ = 854527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116677) 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, 206 + ... + 1508.

It is an arithmetic number, because the mean of its divisors is an integer number (279708).

2^1116671 is an apocalyptic number.

1116671 is a deficient number, since it is larger than the sum of its proper divisors (2161).

1116671 is an equidigital number, since it uses as much as digits as its factorization.

1116671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160.

The product of its digits is 252, while the sum is 23.

The square root of 1116671 is about 1056.7265493021. The cubic root of 1116671 is about 103.7468881827.

It can be divided in two parts, 11 and 16671, that multiplied together give a palindrome (183381).

The spelling of 1116671 in words is "one million, one hundred sixteen thousand, six hundred seventy-one".