1120021984 has 24 divisors (see below), whose sum is σ = 2300916240. Its totient is φ = 535662336.

The previous prime is 1120021951. The next prime is 1120021993. The reversal of 1120021984 is 4891200211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760149 + ... + 761620.

It is an arithmetic number, because the mean of its divisors is an integer number (95871510).

Almost surely, 2^1120021984 is an apocalyptic number.

It is an amenable number.

1120021984 is an abundant number, since it is smaller than the sum of its proper divisors (1180894256).

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

1120021984 is a wasteful number, since it uses less digits than its factorization.

1120021984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521802 (or 1521794 counting only the distinct ones).

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

The square root of 1120021984 is about 33466.7295085731. The cubic root of 1120021984 is about 1038.5056150752.

The spelling of 1120021984 in words is "one billion, one hundred twenty million, twenty-one thousand, nine hundred eighty-four".