112239540 has 192 divisors, whose sum is σ = 416747520. Its totient is φ = 24520320.

The previous prime is 112239521. The next prime is 112239553. The reversal of 112239540 is 45932211.

112239540 is a `hidden beast` number, since 112 + 2 + 3 + 9 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86295 + ... + 87585.

It is an arithmetic number, because the mean of its divisors is an integer number (2170560).

Almost surely, 2^112239540 is an apocalyptic number.

112239540 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 112239540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208373760).

112239540 is an abundant number, since it is smaller than the sum of its proper divisors (304507980).

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

112239540 is a wasteful number, since it uses less digits than its factorization.

112239540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 112239540 is about 10594.3164007877. The cubic root of 112239540 is about 482.3718542525.

The spelling of 112239540 in words is "one hundred twelve million, two hundred thirty-nine thousand, five hundred forty".