1103216 has 30 divisors (see below), whose sum is σ = 2267712. Its totient is φ = 519840.

The previous prime is 1103213. The next prime is 1103237. The reversal of 1103216 is 6123011.

It is a self number, because there is not a number n which added to its sum of digits gives 1103216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103213) 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, 5681 + ... + 5871.

2^1103216 is an apocalyptic number.

1103216 is a gapful number since it is divisible by the number (16) 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 1103216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1133856).

1103216 is an abundant number, since it is smaller than the sum of its proper divisors (1164496).

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

1103216 is a wasteful number, since it uses less digits than its factorization.

1103216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1103216 is about 1050.3408970425. The cubic root of 1103216 is about 103.3285140543.

Adding to 1103216 its reverse (6123011), we get a palindrome (7226227).

The spelling of 1103216 in words is "one million, one hundred three thousand, two hundred sixteen".