11121982 has 8 divisors (see below), whose sum is σ = 16737552. Its totient is φ = 5542800.

The previous prime is 11121977. The next prime is 11121989. The reversal of 11121982 is 28912111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8319 + ... + 9562.

It is an arithmetic number, because the mean of its divisors is an integer number (2092194).

Almost surely, 2^11121982 is an apocalyptic number.

11121982 is a deficient number, since it is larger than the sum of its proper divisors (5615570).

11121982 is a wasteful number, since it uses less digits than its factorization.

11121982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18194.

The product of its digits is 288, while the sum is 25.

The square root of 11121982 is about 3334.9635680169. The cubic root of 11121982 is about 223.2170662858.

The spelling of 11121982 in words is "eleven million, one hundred twenty-one thousand, nine hundred eighty-two".