1120000000 has 192 divisors, whose sum is σ = 3199210560. Its totient is φ = 384000000.

The previous prime is 1119999983. The next prime is 1120000031. The reversal of 1120000000 is 211.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159999997 + ... + 160000003.

It is an arithmetic number, because the mean of its divisors is an integer number (16662555).

Almost surely, 2^1120000000 is an apocalyptic number.

1120000000 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 1120000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1599605280).

1120000000 is an abundant number, since it is smaller than the sum of its proper divisors (2079210560).

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

1120000000 is an frugal number, since it uses more digits than its factorization.

1120000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 1120000000 is about 33466.4010613630. The cubic root of 1120000000 is about 1038.4988203702.

Adding to 1120000000 its reverse (211), we get a palindrome (1120000211).

The spelling of 1120000000 in words is "one billion, one hundred twenty million", and thus it is an aban number.