1112148 has 18 divisors (see below), whose sum is σ = 2811354. Its totient is φ = 370704.

The previous prime is 1112147. The next prime is 1112159. The reversal of 1112148 is 8412111.

It can be written as a sum of positive squares in only one way, i.e., 898704 + 213444 = 948^2 + 462^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1112148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15411 + ... + 15482.

2^1112148 is an apocalyptic number.

1112148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1112148 is an abundant number, since it is smaller than the sum of its proper divisors (1699206).

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

1112148 is a wasteful number, since it uses less digits than its factorization.

1112148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30903 (or 30898 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

The square root of 1112148 is about 1054.5842782822. The cubic root of 1112148 is about 103.6066253968.

Adding to 1112148 its reverse (8412111), we get a palindrome (9524259).

The spelling of 1112148 in words is "one million, one hundred twelve thousand, one hundred forty-eight".