1121886 has 12 divisors (see below), whose sum is σ = 2430792. Its totient is φ = 373956.

The previous prime is 1121867. The next prime is 1121899. The reversal of 1121886 is 6881211.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 31146 + ... + 31181.

It is an arithmetic number, because the mean of its divisors is an integer number (202566).

2^1121886 is an apocalyptic number.

1121886 is an abundant number, since it is smaller than the sum of its proper divisors (1308906).

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

1121886 is a wasteful number, since it uses less digits than its factorization.

1121886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62335 (or 62332 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 1121886 is about 1059.1912008698. The cubic root of 1121886 is about 103.9081412756.

The spelling of 1121886 in words is "one million, one hundred twenty-one thousand, eight hundred eighty-six".