1104420 has 48 divisors (see below), whose sum is σ = 3144960. Its totient is φ = 289536.

The previous prime is 1104409. The next prime is 1104427. The reversal of 1104420 is 244011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1104396 and 1104405.

It is not an unprimeable number, because it can be changed into a prime (1104427) 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, 4624 + ... + 4856.

It is an arithmetic number, because the mean of its divisors is an integer number (65520).

2^1104420 is an apocalyptic number.

1104420 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 1104420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1572480).

1104420 is an abundant number, since it is smaller than the sum of its proper divisors (2040540).

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

1104420 is a wasteful number, since it uses less digits than its factorization.

1104420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1104420 is about 1050.9138880042. The cubic root of 1104420 is about 103.3660897424.

Adding to 1104420 its reverse (244011), we get a palindrome (1348431).

The spelling of 1104420 in words is "one million, one hundred four thousand, four hundred twenty".