112143520 has 24 divisors (see below), whose sum is σ = 264939444. Its totient is φ = 44857344.

The previous prime is 112143517. The next prime is 112143533. The reversal of 112143520 is 25341211.

It can be written as a sum of positive squares in 2 ways, for example, as 108743184 + 3400336 = 10428^2 + 1844^2 .

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 3 ways as a sum of consecutive naturals, for example, 350289 + ... + 350608.

Almost surely, 2^112143520 is an apocalyptic number.

112143520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112143520 is an abundant number, since it is smaller than the sum of its proper divisors (152795924).

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

112143520 is an equidigital number, since it uses as much as digits as its factorization.

112143520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700912 (or 700904 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 112143520 is about 10589.7837560547. The cubic root of 112143520 is about 482.2342599616.

Adding to 112143520 its reverse (25341211), we get a palindrome (137484731).

The spelling of 112143520 in words is "one hundred twelve million, one hundred forty-three thousand, five hundred twenty".