112421340 has 72 divisors (see below), whose sum is σ = 361080720. Its totient is φ = 28214784.

The previous prime is 112421339. The next prime is 112421341. The reversal of 112421340 is 43124211.

It is an interprime number because it is at equal distance from previous prime (112421339) and next prime (112421341).

It is a super-4 number, since 4×112421340⁴ (a number of 33 digits) contains 4444 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112421341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15310 + ... + 21429.

It is an arithmetic number, because the mean of its divisors is an integer number (5015010).

Almost surely, 2^112421340 is an apocalyptic number.

112421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112421340 is an abundant number, since it is smaller than the sum of its proper divisors (248659380).

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

112421340 is a wasteful number, since it uses less digits than its factorization.

112421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36771 (or 36766 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 112421340 is about 10602.8930014407. The cubic root of 112421340 is about 482.6321543736.

Adding to 112421340 its reverse (43124211), we get a palindrome (155545551).

The spelling of 112421340 in words is "one hundred twelve million, four hundred twenty-one thousand, three hundred forty".