112501620 has 144 divisors (see below), whose sum is σ = 425513088. Its totient is φ = 23374080.

The previous prime is 112501601. The next prime is 112501633. The reversal of 112501620 is 26105211.

It is a super-2 number, since 2×112501620² = 25313229005248800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 112501593 and 112501602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9802 + ... + 17918.

It is an arithmetic number, because the mean of its divisors is an integer number (2954952).

Almost surely, 2^112501620 is an apocalyptic number.

112501620 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 112501620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212756544).

112501620 is an abundant number, since it is smaller than the sum of its proper divisors (313011468).

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

112501620 is a wasteful number, since it uses less digits than its factorization.

112501620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8150 (or 8145 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 112501620 is about 10606.6780850557. The cubic root of 112501620 is about 482.7470094662.

Adding to 112501620 its reverse (26105211), we get a palindrome (138606831).

The spelling of 112501620 in words is "one hundred twelve million, five hundred one thousand, six hundred twenty".