112128372 has 36 divisors (see below), whose sum is σ = 285326496. Its totient is φ = 37126800.

The previous prime is 112128371. The next prime is 112128407. The reversal of 112128372 is 273821211.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112128371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4878 + ... + 15749.

It is an arithmetic number, because the mean of its divisors is an integer number (7925736).

Almost surely, 2^112128372 is an apocalyptic number.

112128372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112128372 is an abundant number, since it is smaller than the sum of its proper divisors (173198124).

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

112128372 is a wasteful number, since it uses less digits than its factorization.

112128372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20788 (or 20783 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 112128372 is about 10589.0685142745. The cubic root of 112128372 is about 482.2125460795.

Adding to 112128372 its reverse (273821211), we get a palindrome (385949583).

The spelling of 112128372 in words is "one hundred twelve million, one hundred twenty-eight thousand, three hundred seventy-two".