1102836 has 48 divisors (see below), whose sum is σ = 3100160. Its totient is φ = 298080.

The previous prime is 1102831. The next prime is 1102847. The reversal of 1102836 is 6382011.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102831) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1251 + ... + 1941.

2^1102836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550080).

1102836 is an abundant number, since it is smaller than the sum of its proper divisors (1997324).

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

1102836 is a wasteful number, since it uses less digits than its factorization.

1102836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1102836 is about 1050.1599878114. The cubic root of 1102836 is about 103.3166489423.

Adding to 1102836 its reverse (6382011), we get a palindrome (7484847).

The spelling of 1102836 in words is "one million, one hundred two thousand, eight hundred thirty-six".