1104520120 has 128 divisors (see below), whose sum is σ = 2784844800. Its totient is φ = 390873600.

The previous prime is 1104520031. The next prime is 1104520127. The reversal of 1104520120 is 210254011.

It is a junction number, because it is equal to n+sod(n) for n = 1104520094 and 1104520103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104520127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4075585 + ... + 4075855.

It is an arithmetic number, because the mean of its divisors is an integer number (21756600).

Almost surely, 2^1104520120 is an apocalyptic number.

1104520120 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 1104520120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1392422400).

1104520120 is an abundant number, since it is smaller than the sum of its proper divisors (1680324680).

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

1104520120 is a wasteful number, since it uses less digits than its factorization.

1104520120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1104520120 is about 33234.3214162709. The cubic root of 1104520120 is about 1033.6921316167.

Adding to 1104520120 its reverse (210254011), we get a palindrome (1314774131).

The spelling of 1104520120 in words is "one billion, one hundred four million, five hundred twenty thousand, one hundred twenty".