1103788 has 24 divisors (see below), whose sum is σ = 2240000. Its totient is φ = 466128.

The previous prime is 1103779. The next prime is 1103797. The reversal of 1103788 is 8873011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1103779) and next prime (1103797).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1963 + ... + 2461.

2^1103788 is an apocalyptic number.

It is an amenable number.

1103788 is an abundant number, since it is smaller than the sum of its proper divisors (1136212).

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

1103788 is a wasteful number, since it uses less digits than its factorization.

1103788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1103788 is about 1050.6131543056. The cubic root of 1103788 is about 103.3463690341.

Adding to 1103788 its reverse (8873011), we get a palindrome (9976799).

It can be divided in two parts, 1103 and 788, that added together give a triangular number (1891 = T₆₁).

The spelling of 1103788 in words is "one million, one hundred three thousand, seven hundred eighty-eight".