112640892 has 192 divisors, whose sum is σ = 349977600. Its totient is φ = 27371520.

The previous prime is 112640881. The next prime is 112640909. The reversal of 112640892 is 298046211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1265584 + ... + 1265672.

It is an arithmetic number, because the mean of its divisors is an integer number (1822800).

Almost surely, 2^112640892 is an apocalyptic number.

112640892 is a gapful number since it is divisible by the number (12) 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 112640892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174988800).

112640892 is an abundant number, since it is smaller than the sum of its proper divisors (237336708).

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

112640892 is a wasteful number, since it uses less digits than its factorization.

112640892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 112640892 is about 10613.2413521977. The cubic root of 112640892 is about 482.9461337594.

The spelling of 112640892 in words is "one hundred twelve million, six hundred forty thousand, eight hundred ninety-two".