1133122320 has 240 divisors, whose sum is σ = 4180393152. Its totient is φ = 272778240.

The previous prime is 1133122259. The next prime is 1133122327. The reversal of 1133122320 is 232213311.

1133122320 is a `hidden beast` number, since 11 + 331 + 2 + 2 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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 = 1133122293 and 1133122302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133122327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1369747 + ... + 1370573.

Almost surely, 2^1133122320 is an apocalyptic number.

1133122320 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 1133122320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2090196576).

1133122320 is an abundant number, since it is smaller than the sum of its proper divisors (3047270832).

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

1133122320 is a wasteful number, since it uses less digits than its factorization.

1133122320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1133122320 is about 33661.8823003111. The cubic root of 1133122320 is about 1042.5388906010.

Adding to 1133122320 its reverse (232213311), we get a palindrome (1365335631).

Subtracting from 1133122320 its reverse (232213311), we obtain a palindrome (900909009).

The spelling of 1133122320 in words is "one billion, one hundred thirty-three million, one hundred twenty-two thousand, three hundred twenty".