1171982 has 12 divisors (see below), whose sum is σ = 2045160. Its totient is φ = 502236.

The previous prime is 1171981. The next prime is 1171991. The reversal of 1171982 is 2891711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5882 + ... + 6077.

It is an arithmetic number, because the mean of its divisors is an integer number (170430).

2^1171982 is an apocalyptic number.

1171982 is a deficient number, since it is larger than the sum of its proper divisors (873178).

1171982 is a wasteful number, since it uses less digits than its factorization.

1171982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11975 (or 11968 counting only the distinct ones).

The product of its digits is 1008, while the sum is 29.

The square root of 1171982 is about 1082.5811747855. The cubic root of 1171982 is about 105.4322918578.

The spelling of 1171982 in words is "one million, one hundred seventy-one thousand, nine hundred eighty-two".