112740042 has 16 divisors (see below), whose sum is σ = 226662912. Its totient is φ = 37382880.

The previous prime is 112739969. The next prime is 112740049. The reversal of 112740042 is 240047211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (112740049) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 48043 + ... + 50334.

It is an arithmetic number, because the mean of its divisors is an integer number (14166432).

Almost surely, 2^112740042 is an apocalyptic number.

112740042 is an abundant number, since it is smaller than the sum of its proper divisors (113922870).

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

112740042 is a wasteful number, since it uses less digits than its factorization.

112740042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98573.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 112740042 is about 10617.9113765373. The cubic root of 112740042 is about 483.0877935820.

Adding to 112740042 its reverse (240047211), we get a palindrome (352787253).

The spelling of 112740042 in words is "one hundred twelve million, seven hundred forty thousand, forty-two".