113003120 has 20 divisors (see below), whose sum is σ = 262732440. Its totient is φ = 45201216.

The previous prime is 113003119. The next prime is 113003123. The reversal of 113003120 is 21300311.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113003123) 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 3 ways as a sum of consecutive naturals, for example, 706190 + ... + 706349.

It is an arithmetic number, because the mean of its divisors is an integer number (13136622).

Almost surely, 2^113003120 is an apocalyptic number.

113003120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113003120 is an abundant number, since it is smaller than the sum of its proper divisors (149729320).

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

113003120 is a wasteful number, since it uses less digits than its factorization.

113003120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412552 (or 1412546 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 113003120 is about 10630.2925641771. The cubic root of 113003120 is about 483.4632622026.

Adding to 113003120 its reverse (21300311), we get a palindrome (134303431).

The spelling of 113003120 in words is "one hundred thirteen million, three thousand, one hundred twenty".