112909312 has 44 divisors (see below), whose sum is σ = 229034736. Its totient is φ = 55623680.

The previous prime is 112909309. The next prime is 112909331. The reversal of 112909312 is 213909211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71928 + ... + 73480.

Almost surely, 2^112909312 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 112909312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114517368).

112909312 is an abundant number, since it is smaller than the sum of its proper divisors (116125424).

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

112909312 is an equidigital number, since it uses as much as digits as its factorization.

112909312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 112909312 is about 10625.8793518466. The cubic root of 112909312 is about 483.3294450209.

It can be divided in two parts, 11290 and 9312, that added together give a palindrome (20602).

The spelling of 112909312 in words is "one hundred twelve million, nine hundred nine thousand, three hundred twelve".