1122009984 has 96 divisors (see below), whose sum is σ = 3238887600. Its totient is φ = 372824064.

The previous prime is 1122009953. The next prime is 1122010009. The reversal of 1122009984 is 4899002211.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412212 + ... + 414924.

Almost surely, 2^1122009984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122009984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1619443800).

1122009984 is an abundant number, since it is smaller than the sum of its proper divisors (2116877616).

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

1122009984 is a wasteful number, since it uses less digits than its factorization.

1122009984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092 (or 3077 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 1122009984 is about 33496.4174800829. The cubic root of 1122009984 is about 1039.1196889935.

The spelling of 1122009984 in words is "one billion, one hundred twenty-two million, nine thousand, nine hundred eighty-four".