1101924 has 60 divisors (see below), whose sum is σ = 3049200. Its totient is φ = 346032.

The previous prime is 1101917. The next prime is 1101929. The reversal of 1101924 is 4291011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1101897 and 1101906.

It is not an unprimeable number, because it can be changed into a prime (1101929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6067 + ... + 6245.

It is an arithmetic number, because the mean of its divisors is an integer number (50820).

2^1101924 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 1101924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524600).

1101924 is an abundant number, since it is smaller than the sum of its proper divisors (1947276).

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

1101924 is a wasteful number, since it uses less digits than its factorization.

1101924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1101924 is about 1049.7256784513. The cubic root of 1101924 is about 103.2881615488.

Adding to 1101924 its reverse (4291011), we get a palindrome (5392935).

It can be divided in two parts, 1101 and 924, that added together give a square (2025 = 45²).

The spelling of 1101924 in words is "one million, one hundred one thousand, nine hundred twenty-four".