1118871 has 24 divisors (see below), whose sum is σ = 1777776. Its totient is φ = 673920.

The previous prime is 1118869. The next prime is 1118893. The reversal of 1118871 is 1788111.

It is not a de Polignac number, because 1118871 - 2¹ = 1118869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8476 + ... + 8606.

It is an arithmetic number, because the mean of its divisors is an integer number (74074).

2^1118871 is an apocalyptic number.

1118871 is a deficient number, since it is larger than the sum of its proper divisors (658905).

1118871 is a wasteful number, since it uses less digits than its factorization.

1118871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 220 counting only the distinct ones).

The product of its digits is 448, while the sum is 27.

The square root of 1118871 is about 1057.7669875734. The cubic root of 1118871 is about 103.8149755087.

The spelling of 1118871 in words is "one million, one hundred eighteen thousand, eight hundred seventy-one".