112013442 has 80 divisors (see below), whose sum is σ = 269331480. Its totient is φ = 34670592.

The previous prime is 112013441. The next prime is 112013443. The reversal of 112013442 is 244310211.

It is an interprime number because it is at equal distance from previous prime (112013441) and next prime (112013443).

It can be written as a sum of positive squares in 4 ways, for example, as 107308881 + 4704561 = 10359^2 + 2169^2 .

It is a super-2 number, since 2×112013442² = 25094022377374728, which contains 22 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 (112013441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 244878 + ... + 245334.

Almost surely, 2^112013442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112013442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134665740).

112013442 is an abundant number, since it is smaller than the sum of its proper divisors (157318038).

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

112013442 is a wasteful number, since it uses less digits than its factorization.

112013442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 568 counting only the distinct ones).

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

The square root of 112013442 is about 10583.6403000102. The cubic root of 112013442 is about 482.0477360710.

Adding to 112013442 its reverse (244310211), we get a palindrome (356323653).

The spelling of 112013442 in words is "one hundred twelve million, thirteen thousand, four hundred forty-two".