1103120000 has 80 divisors (see below), whose sum is σ = 2746347450. Its totient is φ = 441216000.

The previous prime is 1103119999. The next prime is 1103120063. The reversal of 1103120000 is 213011.

It can be written as a sum of positive squares in 5 ways, for example, as 180418624 + 922701376 = 13432^2 + 30376^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1103120000.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 73106 + ... + 86894.

Almost surely, 2^1103120000 is an apocalyptic number.

1103120000 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 1103120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1373173725).

1103120000 is an abundant number, since it is smaller than the sum of its proper divisors (1643227450).

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

1103120000 is an frugal number, since it uses more digits than its factorization.

1103120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13823 (or 13796 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1103120000 is about 33213.2503678878. The cubic root of 1103120000 is about 1033.2551680960.

Adding to 1103120000 its reverse (213011), we get a palindrome (1103333011).

The spelling of 1103120000 in words is "one billion, one hundred three million, one hundred twenty thousand".