1101530120 has 16 divisors (see below), whose sum is σ = 2478442860. Its totient is φ = 440612032.

The previous prime is 1101530119. The next prime is 1101530141. The reversal of 1101530120 is 210351011.

1101530120 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1013658244 + 87871876 = 31838^2 + 9374^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1101530095 and 1101530104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13769087 + ... + 13769166.

Almost surely, 2^1101530120 is an apocalyptic number.

1101530120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101530120 is an abundant number, since it is smaller than the sum of its proper divisors (1376912740).

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

1101530120 is a wasteful number, since it uses less digits than its factorization.

1101530120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27538264 (or 27538260 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 1101530120 is about 33189.3073142541. The cubic root of 1101530120 is about 1032.7585338318.

Adding to 1101530120 its reverse (210351011), we get a palindrome (1311881131).

The spelling of 1101530120 in words is "one billion, one hundred one million, five hundred thirty thousand, one hundred twenty".