1121383116 has 240 divisors, whose sum is σ = 3600495360. Its totient is φ = 297198720.

The previous prime is 1121383093. The next prime is 1121383129. The reversal of 1121383116 is 6113831211.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1121383116.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2283631 + ... + 2284121.

It is an arithmetic number, because the mean of its divisors is an integer number (15002064).

Almost surely, 2^1121383116 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 1121383116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1800247680).

1121383116 is an abundant number, since it is smaller than the sum of its proper divisors (2479112244).

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

1121383116 is a wasteful number, since it uses less digits than its factorization.

1121383116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 575 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 1121383116 is about 33487.0589332655. The cubic root of 1121383116 is about 1038.9261339037.

The spelling of 1121383116 in words is "one billion, one hundred twenty-one million, three hundred eighty-three thousand, one hundred sixteen".