1121313024 has 144 divisors (see below), whose sum is σ = 3571276800. Its totient is φ = 344991744.

The previous prime is 1121313007. The next prime is 1121313031. The reversal of 1121313024 is 4203131211.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1121312988 and 1121313006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83617 + ... + 96095.

Almost surely, 2^1121313024 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 1121313024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785638400).

1121313024 is an abundant number, since it is smaller than the sum of its proper divisors (2449963776).

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

1121313024 is a wasteful number, since it uses less digits than its factorization.

1121313024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12517 (or 12497 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1121313024 is about 33486.0123633735. The cubic root of 1121313024 is about 1038.9044874426.

Adding to 1121313024 its reverse (4203131211), we get a palindrome (5324444235).

The spelling of 1121313024 in words is "one billion, one hundred twenty-one million, three hundred thirteen thousand, twenty-four".