1105803312 has 40 divisors (see below), whose sum is σ = 2933870256. Its totient is φ = 358638336.

The previous prime is 1105803299. The next prime is 1105803313. The reversal of 1105803312 is 2133085011.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1105803313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309543 + ... + 313094.

Almost surely, 2^1105803312 is an apocalyptic number.

1105803312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1105803312 is an abundant number, since it is smaller than the sum of its proper divisors (1828066944).

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

1105803312 is a wasteful number, since it uses less digits than its factorization.

1105803312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622685 (or 622679 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1105803312 is about 33253.6210359113. The cubic root of 1105803312 is about 1034.0922788893.

Adding to 1105803312 its reverse (2133085011), we get a palindrome (3238888323).

The spelling of 1105803312 in words is "one billion, one hundred five million, eight hundred three thousand, three hundred twelve".