112172508 has 144 divisors (see below), whose sum is σ = 340494336. Its totient is φ = 30464640.

The previous prime is 112172507. The next prime is 112172527. The reversal of 112172508 is 805271211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112172507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 648310 + ... + 648482.

It is an arithmetic number, because the mean of its divisors is an integer number (2364544).

Almost surely, 2^112172508 is an apocalyptic number.

112172508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112172508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170247168).

112172508 is an abundant number, since it is smaller than the sum of its proper divisors (228321828).

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

112172508 is a wasteful number, since it uses less digits than its factorization.

112172508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 112172508 is about 10591.1523452361. The cubic root of 112172508 is about 482.2758073241.

The spelling of 112172508 in words is "one hundred twelve million, one hundred seventy-two thousand, five hundred eight".