1121982 has 16 divisors (see below), whose sum is σ = 2278272. Its totient is φ = 368280.

The previous prime is 1121947. The next prime is 1121987. The reversal of 1121982 is 2891211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994 + ... + 1797.

It is an arithmetic number, because the mean of its divisors is an integer number (142392).

2^1121982 is an apocalyptic number.

1121982 is an abundant number, since it is smaller than the sum of its proper divisors (1156290).

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

1121982 is a wasteful number, since it uses less digits than its factorization.

1121982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863.

The product of its digits is 288, while the sum is 24.

The square root of 1121982 is about 1059.2365174974. The cubic root of 1121982 is about 103.9111050043.

The spelling of 1121982 in words is "one million, one hundred twenty-one thousand, nine hundred eighty-two".