1121411984 has 160 divisors (see below), whose sum is σ = 2828557056. Its totient is φ = 418037760.

The previous prime is 1121411981. The next prime is 1121412023. The reversal of 1121411984 is 4891141211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121411984.

It is not an unprimeable number, because it can be changed into a prime (1121411981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3327464 + ... + 3327800.

Almost surely, 2^1121411984 is an apocalyptic number.

1121411984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121411984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1414278528).

1121411984 is an abundant number, since it is smaller than the sum of its proper divisors (1707145072).

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

1121411984 is a wasteful number, since it uses less digits than its factorization.

1121411984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 467 counting only the distinct ones).

The product of its digits is 2304, while the sum is 32.

The square root of 1121411984 is about 33487.4899626711. The cubic root of 1121411984 is about 1038.9350489247.

The spelling of 1121411984 in words is "one billion, one hundred twenty-one million, four hundred eleven thousand, nine hundred eighty-four".