11020104 has 64 divisors (see below), whose sum is σ = 30897600. Its totient is φ = 3639168.

The previous prime is 11020091. The next prime is 11020109. The reversal of 11020104 is 40102011.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (11020109) 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, 35052 + ... + 35364.

It is an arithmetic number, because the mean of its divisors is an integer number (482775).

Almost surely, 2^11020104 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 11020104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15448800).

11020104 is an abundant number, since it is smaller than the sum of its proper divisors (19877496).

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

11020104 is a wasteful number, since it uses less digits than its factorization.

11020104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 11020104 is about 3319.6541988587. The cubic root of 11020104 is about 222.5334141628.

Adding to 11020104 its reverse (40102011), we get a palindrome (51122115).

The spelling of 11020104 in words is "eleven million, twenty thousand, one hundred four".