1122311120 has 80 divisors (see below), whose sum is σ = 3045662208. Its totient is φ = 376596480.

The previous prime is 1122311119. The next prime is 1122311131. The reversal of 1122311120 is 211132211.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1122311095 and 1122311104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5000 + ... + 47640.

Almost surely, 2^1122311120 is an apocalyptic number.

1122311120 is a gapful number since it is divisible by the number (10) 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 1122311120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522831104).

1122311120 is an abundant number, since it is smaller than the sum of its proper divisors (1923351088).

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

1122311120 is a wasteful number, since it uses less digits than its factorization.

1122311120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42708 (or 42702 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1122311120 is about 33500.9122263857. The cubic root of 1122311120 is about 1039.2126437089.

Adding to 1122311120 its reverse (211132211), we get a palindrome (1333443331).

The spelling of 1122311120 in words is "one billion, one hundred twenty-two million, three hundred eleven thousand, one hundred twenty".