1104220140 has 72 divisors (see below), whose sum is σ = 3122456400. Its totient is φ = 291568896.

The previous prime is 1104220127. The next prime is 1104220141. The reversal of 1104220140 is 410224011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1104220141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 712086 + ... + 713634.

It is an arithmetic number, because the mean of its divisors is an integer number (43367450).

Almost surely, 2^1104220140 is an apocalyptic number.

1104220140 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 1104220140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1561228200).

1104220140 is an abundant number, since it is smaller than the sum of its proper divisors (2018236260).

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

1104220140 is a wasteful number, since it uses less digits than its factorization.

1104220140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1104220140 is about 33229.8080042603. The cubic root of 1104220140 is about 1033.5985419402.

Adding to 1104220140 its reverse (410224011), we get a palindrome (1514444151).

The spelling of 1104220140 in words is "one billion, one hundred four million, two hundred twenty thousand, one hundred forty".