71120112 has 80 divisors (see below), whose sum is σ = 222342912. Its totient is φ = 19123200.

The previous prime is 71120111. The next prime is 71120113. The reversal of 71120112 is 21102117.

It is an interprime number because it is at equal distance from previous prime (71120111) and next prime (71120113).

It is a junction number, because it is equal to n+sod(n) for n = 71120091 and 71120100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71120111) 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 15 ways as a sum of consecutive naturals, for example, 514 + ... + 11937.

Almost surely, 2^71120112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111171456).

71120112 is an abundant number, since it is smaller than the sum of its proper divisors (151222800).

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

71120112 is a wasteful number, since it uses less digits than its factorization.

71120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12486 (or 12480 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 71120112 is about 8433.2740972887. The cubic root of 71120112 is about 414.3151466321.

Adding to 71120112 its reverse (21102117), we get a palindrome (92222229).

The spelling of 71120112 in words is "seventy-one million, one hundred twenty thousand, one hundred twelve".