1122133120 has 64 divisors (see below), whose sum is σ = 2698920000. Its totient is φ = 446123008.

The previous prime is 1122133109. The next prime is 1122133123. The reversal of 1122133120 is 213312211.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1122133094 and 1122133103.

It is not an unprimeable number, because it can be changed into a prime (1122133123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101631 + ... + 112129.

It is an arithmetic number, because the mean of its divisors is an integer number (42170625).

Almost surely, 2^1122133120 is an apocalyptic number.

1122133120 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 1122133120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349460000).

1122133120 is an abundant number, since it is smaller than the sum of its proper divisors (1576786880).

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

1122133120 is a wasteful number, since it uses less digits than its factorization.

1122133120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10685 (or 10673 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1122133120 is about 33498.2554769648. The cubic root of 1122133120 is about 1039.1577006462.

Adding to 1122133120 its reverse (213312211), we get a palindrome (1335445331).

The spelling of 1122133120 in words is "one billion, one hundred twenty-two million, one hundred thirty-three thousand, one hundred twenty".