113103120 has 80 divisors (see below), whose sum is σ = 377600832. Its totient is φ = 27840000.

The previous prime is 113103101. The next prime is 113103127. The reversal of 113103120 is 21301311.

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 (12).

It is a junction number, because it is equal to n+sod(n) for n = 113103096 and 113103105.

It is not an unprimeable number, because it can be changed into a prime (113103127) 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 15 ways as a sum of consecutive naturals, for example, 15006 + ... + 21245.

Almost surely, 2^113103120 is an apocalyptic number.

113103120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113103120 is an abundant number, since it is smaller than the sum of its proper divisors (264497712).

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

113103120 is a wasteful number, since it uses less digits than its factorization.

113103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36280 (or 36274 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 113103120 is about 10634.9950634685. The cubic root of 113103120 is about 483.6058307505.

Adding to 113103120 its reverse (21301311), we get a palindrome (134404431).

The spelling of 113103120 in words is "one hundred thirteen million, one hundred three thousand, one hundred twenty".