1122001984 has 28 divisors (see below), whose sum is σ = 2343658000. Its totient is φ = 531474048.

The previous prime is 1122001981. The next prime is 1122001987. The reversal of 1122001984 is 4891002211.

It is an interprime number because it is at equal distance from previous prime (1122001981) and next prime (1122001987).

It is not an unprimeable number, because it can be changed into a prime (1122001981) 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, 460134 + ... + 462565.

Almost surely, 2^1122001984 is an apocalyptic number.

It is an amenable number.

1122001984 is an abundant number, since it is smaller than the sum of its proper divisors (1221656016).

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

1122001984 is an equidigital number, since it uses as much as digits as its factorization.

1122001984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922730 (or 922720 counting only the distinct ones).

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

The square root of 1122001984 is about 33496.2980641145. The cubic root of 1122001984 is about 1039.1172193253.

The spelling of 1122001984 in words is "one billion, one hundred twenty-two million, one thousand, nine hundred eighty-four".