1103144 has 16 divisors (see below), whose sum is σ = 2364000. Its totient is φ = 472752.

The previous prime is 1103143. The next prime is 1103171. The reversal of 1103144 is 4413011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1103143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9794 + ... + 9905.

It is an arithmetic number, because the mean of its divisors is an integer number (147750).

2^1103144 is an apocalyptic number.

1103144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1103144 is an abundant number, since it is smaller than the sum of its proper divisors (1260856).

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

1103144 is a wasteful number, since it uses less digits than its factorization.

1103144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19712 (or 19708 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1103144 is about 1050.3066218967. The cubic root of 1103144 is about 103.3262661371.

Adding to 1103144 its reverse (4413011), we get a palindrome (5516155).

The spelling of 1103144 in words is "one million, one hundred three thousand, one hundred forty-four".