1134021120 has 160 divisors (see below), whose sum is σ = 3653337600. Its totient is φ = 300072960.

The previous prime is 1134021079. The next prime is 1134021121. The reversal of 1134021120 is 211204311.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1134021120.

It is not an unprimeable number, because it can be changed into a prime (1134021121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143825 + ... + 1144815.

It is an arithmetic number, because the mean of its divisors is an integer number (22833360).

Almost surely, 2^1134021120 is an apocalyptic number.

1134021120 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 1134021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1826668800).

1134021120 is an abundant number, since it is smaller than the sum of its proper divisors (2519316480).

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

1134021120 is an equidigital number, since it uses as much as digits as its factorization.

1134021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1134021120 is about 33675.2300660292. The cubic root of 1134021120 is about 1042.8144672955.

Adding to 1134021120 its reverse (211204311), we get a palindrome (1345225431).

The spelling of 1134021120 in words is "one billion, one hundred thirty-four million, twenty-one thousand, one hundred twenty".