7130112 has 88 divisors (see below), whose sum is σ = 20830272. Its totient is φ = 2150400.

The previous prime is 7130083. The next prime is 7130113. The reversal of 7130112 is 2110317.

It is a tau number, because it is divible by the number of its divisors (88).

It is a junction number, because it is equal to n+sod(n) for n = 7130091 and 7130100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7130113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33687 + ... + 33897.

Almost surely, 2^7130112 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 7130112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10415136).

7130112 is an abundant number, since it is smaller than the sum of its proper divisors (13700160).

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

7130112 is a wasteful number, since it uses less digits than its factorization.

7130112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 7130112 is about 2670.2269566462. The cubic root of 7130112 is about 192.4710655336.

Adding to 7130112 its reverse (2110317), we get a palindrome (9240429).

The spelling of 7130112 in words is "seven million, one hundred thirty thousand, one hundred twelve".