1118872 has 32 divisors (see below), whose sum is σ = 2343600. Its totient is φ = 497664.

The previous prime is 1118869. The next prime is 1118893. The reversal of 1118872 is 2788111.

It is a self number, because there is not a number n which added to its sum of digits gives 1118872.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2368 + ... + 2800.

2^1118872 is an apocalyptic number.

It is an amenable number.

1118872 is an abundant number, since it is smaller than the sum of its proper divisors (1224728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1118872 is a wasteful number, since it uses less digits than its factorization.

1118872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 471 counting only the distinct ones).

The product of its digits is 896, while the sum is 28.

The square root of 1118872 is about 1057.7674602671. The cubic root of 1118872 is about 103.8150064372.

The spelling of 1118872 in words is "one million, one hundred eighteen thousand, eight hundred seventy-two".