1121220982 has 16 divisors (see below), whose sum is σ = 1935924480. Its totient is φ = 477065448.

The previous prime is 1121220967. The next prime is 1121221019. The reversal of 1121220982 is 2890221211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121220982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286138 + ... + 290029.

It is an arithmetic number, because the mean of its divisors is an integer number (120995280).

Almost surely, 2^1121220982 is an apocalyptic number.

1121220982 is a deficient number, since it is larger than the sum of its proper divisors (814703498).

1121220982 is a wasteful number, since it uses less digits than its factorization.

1121220982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576315.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1121220982 is about 33484.6380001337. The cubic root of 1121220982 is about 1038.8760608090.

The spelling of 1121220982 in words is "one billion, one hundred twenty-one million, two hundred twenty thousand, nine hundred eighty-two".