112403280 has 80 divisors (see below), whose sum is σ = 380136384. Its totient is φ = 27248640.

The previous prime is 112403279. The next prime is 112403293. The reversal of 112403280 is 82304211.

It is a tau number, because it is divible by the number of its divisors (80).

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, 18649 + ... + 23928.

Almost surely, 2^112403280 is an apocalyptic number.

112403280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112403280 is an abundant number, since it is smaller than the sum of its proper divisors (267733104).

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

112403280 is a wasteful number, since it uses less digits than its factorization.

112403280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42604 (or 42598 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 112403280 is about 10602.0413128793. The cubic root of 112403280 is about 482.6063087364.

Adding to 112403280 its reverse (82304211), we get a palindrome (194707491).

The spelling of 112403280 in words is "one hundred twelve million, four hundred three thousand, two hundred eighty".