112321020 has 48 divisors (see below), whose sum is σ = 359428608. Its totient is φ = 25673280.

The previous prime is 112321009. The next prime is 112321037. The reversal of 112321020 is 20123211.

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 = 112320987 and 112321005.

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, 133296 + ... + 134135.

It is an arithmetic number, because the mean of its divisors is an integer number (7488096).

Almost surely, 2^112321020 is an apocalyptic number.

112321020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112321020 is an abundant number, since it is smaller than the sum of its proper divisors (247107588).

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

112321020 is a wasteful number, since it uses less digits than its factorization.

112321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267450 (or 267448 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 112321020 is about 10598.1611612581. The cubic root of 112321020 is about 482.4885515463.

Adding to 112321020 its reverse (20123211), we get a palindrome (132444231).

The spelling of 112321020 in words is "one hundred twelve million, three hundred twenty-one thousand, twenty".