1134605220 has 96 divisors (see below), whose sum is σ = 3636304896. Its totient is φ = 258940800.

The previous prime is 1134605191. The next prime is 1134605231. The reversal of 1134605220 is 225064311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338955 + ... + 342285.

It is an arithmetic number, because the mean of its divisors is an integer number (37878176).

Almost surely, 2^1134605220 is an apocalyptic number.

1134605220 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 1134605220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1818152448).

1134605220 is an abundant number, since it is smaller than the sum of its proper divisors (2501699676).

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

1134605220 is a wasteful number, since it uses less digits than its factorization.

1134605220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161 (or 4159 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1134605220 is about 33683.9014961153. The cubic root of 1134605220 is about 1042.9934773015.

Adding to 1134605220 its reverse (225064311), we get a palindrome (1359669531).

The spelling of 1134605220 in words is "one billion, one hundred thirty-four million, six hundred five thousand, two hundred twenty".