1105602120 has 192 divisors, whose sum is σ = 4149774720. Its totient is φ = 250048512.

The previous prime is 1105602107. The next prime is 1105602139. The reversal of 1105602120 is 212065011.

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 = 1105602093 and 1105602102.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 242179 + ... + 246701.

It is an arithmetic number, because the mean of its divisors is an integer number (21613410).

Almost surely, 2^1105602120 is an apocalyptic number.

1105602120 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 1105602120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2074887360).

1105602120 is an abundant number, since it is smaller than the sum of its proper divisors (3044172600).

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

1105602120 is a wasteful number, since it uses less digits than its factorization.

1105602120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644 (or 4637 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1105602120 is about 33250.5957841360. The cubic root of 1105602120 is about 1034.0295601669.

Adding to 1105602120 its reverse (212065011), we get a palindrome (1317667131).

The spelling of 1105602120 in words is "one billion, one hundred five million, six hundred two thousand, one hundred twenty".