1134321100 has 72 divisors (see below), whose sum is σ = 2694546288. Its totient is φ = 411052800.

The previous prime is 1134321091. The next prime is 1134321113. The reversal of 1134321100 is 11234311.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 347074 + ... + 350326.

It is an arithmetic number, because the mean of its divisors is an integer number (37424254).

Almost surely, 2^1134321100 is an apocalyptic number.

1134321100 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 1134321100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1347273144).

1134321100 is an abundant number, since it is smaller than the sum of its proper divisors (1560225188).

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

1134321100 is a wasteful number, since it uses less digits than its factorization.

1134321100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595 (or 3588 counting only the distinct ones).

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

The square root of 1134321100 is about 33679.6837871142. The cubic root of 1134321100 is about 1042.9064102934.

Adding to 1134321100 its reverse (11234311), we get a palindrome (1145555411).

The spelling of 1134321100 in words is "one billion, one hundred thirty-four million, three hundred twenty-one thousand, one hundred".