1238112 has 48 divisors (see below), whose sum is σ = 3613680. Its totient is φ = 412416.

The previous prime is 1238101. The next prime is 1238119. The reversal of 1238112 is 2118321.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148 + ... + 1580.

It is an arithmetic number, because the mean of its divisors is an integer number (75285).

2^1238112 is an apocalyptic number.

1238112 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 1238112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1806840).

1238112 is an abundant number, since it is smaller than the sum of its proper divisors (2375568).

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

1238112 is a wasteful number, since it uses less digits than its factorization.

1238112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452 (or 1438 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 1238112 is about 1112.7048126075. The cubic root of 1238112 is about 107.3791539080.

The spelling of 1238112 in words is "one million, two hundred thirty-eight thousand, one hundred twelve".