1105798280 has 32 divisors (see below), whose sum is σ = 2555294040. Its totient is φ = 430364160.

The previous prime is 1105798279. The next prime is 1105798319. The reversal of 1105798280 is 828975011.

It can be written as a sum of positive squares in 4 ways, for example, as 773173636 + 332624644 = 27806^2 + 18238^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372101 + ... + 375060.

Almost surely, 2^1105798280 is an apocalyptic number.

1105798280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105798280 is an abundant number, since it is smaller than the sum of its proper divisors (1449495760).

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

1105798280 is a wasteful number, since it uses less digits than its factorization.

1105798280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747209 (or 747205 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 41.

The square root of 1105798280 is about 33253.5453748920. The cubic root of 1105798280 is about 1034.0907103282.

The spelling of 1105798280 in words is "one billion, one hundred five million, seven hundred ninety-eight thousand, two hundred eighty".