1104840 has 160 divisors (see below), whose sum is σ = 4181760. Its totient is φ = 259200.

The previous prime is 1104833. The next prime is 1104853. The reversal of 1104840 is 484011.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35625 + ... + 35655.

It is an arithmetic number, because the mean of its divisors is an integer number (26136).

2^1104840 is an apocalyptic number.

1104840 is a gapful number since it is divisible by the number (10) 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 1104840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2090880).

1104840 is an abundant number, since it is smaller than the sum of its proper divisors (3076920).

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

1104840 is a wasteful number, since it uses less digits than its factorization.

1104840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1104840 is about 1051.1136950873. The cubic root of 1104840 is about 103.3791911155.

Adding to 1104840 its reverse (484011), we get a palindrome (1588851).

It can be divided in two parts, 110 and 4840, that added together give a triangular number (4950 = T₉₉).

The spelling of 1104840 in words is "one million, one hundred four thousand, eight hundred forty".