1122443120 has 20 divisors (see below), whose sum is σ = 2609680440. Its totient is φ = 448977216.

The previous prime is 1122443117. The next prime is 1122443159. The reversal of 1122443120 is 213442211.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1122443092 and 1122443101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7015190 + ... + 7015349.

It is an arithmetic number, because the mean of its divisors is an integer number (130484022).

Almost surely, 2^1122443120 is an apocalyptic number.

1122443120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122443120 is an abundant number, since it is smaller than the sum of its proper divisors (1487237320).

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

1122443120 is a wasteful number, since it uses less digits than its factorization.

1122443120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14030552 (or 14030546 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1122443120 is about 33502.8822640680. The cubic root of 1122443120 is about 1039.2533842513.

Adding to 1122443120 its reverse (213442211), we get a palindrome (1335885331).

Subtracting from 1122443120 its reverse (213442211), we obtain a palindrome (909000909).

The spelling of 1122443120 in words is "one billion, one hundred twenty-two million, four hundred forty-three thousand, one hundred twenty".