1103004 has 48 divisors (see below), whose sum is σ = 3270400. Its totient is φ = 314928.

The previous prime is 1102999. The next prime is 1103009. The reversal of 1103004 is 4003011.

It is an interprime number because it is at equal distance from previous prime (1102999) and next prime (1103009).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27 + ... + 1485.

2^1103004 is an apocalyptic number.

1103004 is a gapful number since it is divisible by the number (14) 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 1103004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1635200).

1103004 is an abundant number, since it is smaller than the sum of its proper divisors (2167396).

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

1103004 is a wasteful number, since it uses less digits than its factorization.

1103004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479 (or 1471 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1103004 is about 1050.2399725777. The cubic root of 1103004 is about 103.3218949068.

Adding to 1103004 its reverse (4003011), we get a palindrome (5106015).

The spelling of 1103004 in words is "one million, one hundred three thousand, four".