1105230720 has 256 divisors, whose sum is σ = 3935796480. Its totient is φ = 261488640.

The previous prime is 1105230701. The next prime is 1105230733. The reversal of 1105230720 is 270325011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 907552 + ... + 908768.

It is an arithmetic number, because the mean of its divisors is an integer number (15374205).

Almost surely, 2^1105230720 is an apocalyptic number.

1105230720 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 1105230720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1967898240).

1105230720 is an abundant number, since it is smaller than the sum of its proper divisors (2830565760).

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

1105230720 is a wasteful number, since it uses less digits than its factorization.

1105230720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293 (or 1281 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1105230720 is about 33245.0104526980. The cubic root of 1105230720 is about 1033.9137615499.

Adding to 1105230720 its reverse (270325011), we get a palindrome (1375555731).

The spelling of 1105230720 in words is "one billion, one hundred five million, two hundred thirty thousand, seven hundred twenty".