113125820 has 48 divisors (see below), whose sum is σ = 259676928. Its totient is φ = 41210880.

The previous prime is 113125811. The next prime is 113125841. The reversal of 113125820 is 28521311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5174 + ... + 15906.

It is an arithmetic number, because the mean of its divisors is an integer number (5409936).

Almost surely, 2^113125820 is an apocalyptic number.

113125820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113125820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129838464).

113125820 is an abundant number, since it is smaller than the sum of its proper divisors (146551108).

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

113125820 is a wasteful number, since it uses less digits than its factorization.

113125820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10790 (or 10788 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 113125820 is about 10636.0622412620. The cubic root of 113125820 is about 483.6381821069.

The spelling of 113125820 in words is "one hundred thirteen million, one hundred twenty-five thousand, eight hundred twenty".