1118711 has 4 divisors (see below), whose sum is σ = 1220424. Its totient is φ = 1017000.

The previous prime is 1118659. The next prime is 1118713. The reversal of 1118711 is 1178111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1178111 = 11 ⋅107101.

It is a cyclic number.

It is not a de Polignac number, because 1118711 - 2¹⁸ = 856567 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 (1118713) 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, 50840 + ... + 50861.

It is an arithmetic number, because the mean of its divisors is an integer number (305106).

2^1118711 is an apocalyptic number.

1118711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1118711 is a deficient number, since it is larger than the sum of its proper divisors (101713).

1118711 is a wasteful number, since it uses less digits than its factorization.

1118711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101712.

The product of its digits is 56, while the sum is 20.

The square root of 1118711 is about 1057.6913538457. The cubic root of 1118711 is about 103.8100267142.

The spelling of 1118711 in words is "one million, one hundred eighteen thousand, seven hundred eleven".