1113535120 has 40 divisors (see below), whose sum is σ = 2590369920. Its totient is φ = 445173120.

The previous prime is 1113535043. The next prime is 1113535121. The reversal of 1113535120 is 215353111.

1113535120 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1113535091 and 1113535100.

It is not an unprimeable number, because it can be changed into a prime (1113535121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258585 + ... + 262855.

It is an arithmetic number, because the mean of its divisors is an integer number (64759248).

Almost surely, 2^1113535120 is an apocalyptic number.

1113535120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113535120 is an abundant number, since it is smaller than the sum of its proper divisors (1476834800).

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

1113535120 is a wasteful number, since it uses less digits than its factorization.

1113535120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543 (or 7537 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1113535120 is about 33369.6736573794. The cubic root of 1113535120 is about 1036.4968175095.

Adding to 1113535120 its reverse (215353111), we get a palindrome (1328888231).

The spelling of 1113535120 in words is "one billion, one hundred thirteen million, five hundred thirty-five thousand, one hundred twenty".