1121134320 has 60 divisors (see below), whose sum is σ = 3765145176. Its totient is φ = 298968960.

The previous prime is 1121134319. The next prime is 1121134351. The reversal of 1121134320 is 234311211.

It is a tau number, because it is divible by the number of its divisors (60).

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 = 1121134293 and 1121134302.

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, 777846 + ... + 779285.

Almost surely, 2^1121134320 is an apocalyptic number.

1121134320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121134320 is an abundant number, since it is smaller than the sum of its proper divisors (2644010856).

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

1121134320 is a wasteful number, since it uses less digits than its factorization.

1121134320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557150 (or 1557141 counting only the distinct ones).

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

The square root of 1121134320 is about 33483.3439190294. The cubic root of 1121134320 is about 1038.8492943350.

Adding to 1121134320 its reverse (234311211), we get a palindrome (1355445531).

The spelling of 1121134320 in words is "one billion, one hundred twenty-one million, one hundred thirty-four thousand, three hundred twenty".