1121966 has 8 divisors (see below), whose sum is σ = 1782000. Its totient is φ = 527968.

The previous prime is 1121947. The next prime is 1121987. The reversal of 1121966 is 6691211.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 16466 + ... + 16533.

It is an arithmetic number, because the mean of its divisors is an integer number (222750).

2^1121966 is an apocalyptic number.

1121966 is a deficient number, since it is larger than the sum of its proper divisors (660034).

1121966 is a wasteful number, since it uses less digits than its factorization.

1121966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33018.

The product of its digits is 648, while the sum is 26.

The square root of 1121966 is about 1059.2289648608. The cubic root of 1121966 is about 103.9106110612.

The spelling of 1121966 in words is "one million, one hundred twenty-one thousand, nine hundred sixty-six".