113720 has 16 divisors (see below), whose sum is σ = 255960. Its totient is φ = 45472.

The previous prime is 113719. The next prime is 113723. The reversal of 113720 is 27311.

It is a junction number, because it is equal to n+sod(n) for n = 113695 and 113704.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 113720.

It is not an unprimeable number, because it can be changed into a prime (113723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382 + ... + 1461.

2¹¹³⁷²⁰ is an apocalyptic number.

113720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113720 is an abundant number, since it is smaller than the sum of its proper divisors (142240).

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

113720 is a wasteful number, since it uses less digits than its factorization.

113720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854 (or 2850 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 113720 is about 337.2239611890. The cubic root of 113720 is about 48.4483454729.

The spelling of 113720 in words is "one hundred thirteen thousand, seven hundred twenty".