112123144 has 16 divisors (see below), whose sum is σ = 240264000. Its totient is φ = 48052752.

The previous prime is 112123133. The next prime is 112123163. The reversal of 112123144 is 441321211.

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, 1001044 + ... + 1001155.

It is an arithmetic number, because the mean of its divisors is an integer number (15016500).

Almost surely, 2^112123144 is an apocalyptic number.

112123144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

112123144 is an abundant number, since it is smaller than the sum of its proper divisors (128140856).

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

112123144 is a wasteful number, since it uses less digits than its factorization.

112123144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002212 (or 2002208 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 112123144 is about 10588.8216530453. The cubic root of 112123144 is about 482.2050515554.

Adding to 112123144 its reverse (441321211), we get a palindrome (553444355).

It can be divided in two parts, 112 and 123144, that added together give a triangular number (123256 = T₄₉₆).

The spelling of 112123144 in words is "one hundred twelve million, one hundred twenty-three thousand, one hundred forty-four".