112421240 has 64 divisors (see below), whose sum is σ = 267105600. Its totient is φ = 42499072.

The previous prime is 112421219. The next prime is 112421249. The reversal of 112421240 is 42124211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112421249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81194 + ... + 82566.

It is an arithmetic number, because the mean of its divisors is an integer number (4173525).

Almost surely, 2^112421240 is an apocalyptic number.

112421240 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 112421240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133552800).

112421240 is an abundant number, since it is smaller than the sum of its proper divisors (154684360).

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

112421240 is a wasteful number, since it uses less digits than its factorization.

112421240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 112421240 is about 10602.8882857455. Note that the first 3 decimals coincide. The cubic root of 112421240 is about 482.6320112714.

Adding to 112421240 its reverse (42124211), we get a palindrome (154545451).

The spelling of 112421240 in words is "one hundred twelve million, four hundred twenty-one thousand, two hundred forty".