1108782120 has 64 divisors (see below), whose sum is σ = 3333352320. Its totient is φ = 295052544.

The previous prime is 1108782119. The next prime is 1108782139. The reversal of 1108782120 is 212878011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 48954 + ... + 67926.

It is an arithmetic number, because the mean of its divisors is an integer number (52083630).

Almost surely, 2^1108782120 is an apocalyptic number.

1108782120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1108782120 is an abundant number, since it is smaller than the sum of its proper divisors (2224570200).

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

1108782120 is a wasteful number, since it uses less digits than its factorization.

1108782120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19474 (or 19470 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 1108782120 is about 33298.3801407816. The cubic root of 1108782120 is about 1035.0199907455.

The spelling of 1108782120 in words is "one billion, one hundred eight million, seven hundred eighty-two thousand, one hundred twenty".