1121130000 has 150 divisors (see below), whose sum is σ = 3921068294. Its totient is φ = 298944000.

The previous prime is 1121129987. The next prime is 1121130019. The reversal of 1121130000 is 311211.

It can be written as a sum of positive squares in 5 ways, for example, as 258180624 + 862949376 = 16068^2 + 29376^2 .

It is a tau number, because it is divible by the number of its divisors (150).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 83772 + ... + 96228.

Almost surely, 2^1121130000 is an apocalyptic number.

1121130000 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 1121130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1960534147).

1121130000 is an abundant number, since it is smaller than the sum of its proper divisors (2799938294).

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

1121130000 is a wasteful number, since it uses less digits than its factorization.

1121130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12491 (or 12467 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1121130000 is about 33483.2794092813. The cubic root of 1121130000 is about 1038.8479600213.

Adding to 1121130000 its reverse (311211), we get a palindrome (1121441211).

The spelling of 1121130000 in words is "one billion, one hundred twenty-one million, one hundred thirty thousand".