1105704820 has 96 divisors (see below), whose sum is σ = 2695472640. Its totient is φ = 376535040.

The previous prime is 1105704811. The next prime is 1105704841. The reversal of 1105704820 is 284075011.

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, 893242 + ... + 894478.

It is an arithmetic number, because the mean of its divisors is an integer number (28077840).

Almost surely, 2^1105704820 is an apocalyptic number.

1105704820 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 1105704820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1347736320).

1105704820 is an abundant number, since it is smaller than the sum of its proper divisors (1589767820).

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

1105704820 is a wasteful number, since it uses less digits than its factorization.

1105704820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1511 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 1105704820 is about 33252.1400815045. The cubic root of 1105704820 is about 1034.0615763705.

Adding to 1105704820 its reverse (284075011), we get a palindrome (1389779831).

The spelling of 1105704820 in words is "one billion, one hundred five million, seven hundred four thousand, eight hundred twenty".