1083980520 has 192 divisors, whose sum is σ = 4263217920. Its totient is φ = 233183232.

The previous prime is 1083980489. The next prime is 1083980543. The reversal of 1083980520 is 250893801.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30189 + ... + 55491.

It is an arithmetic number, because the mean of its divisors is an integer number (22204260).

Almost surely, 2^1083980520 is an apocalyptic number.

1083980520 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 1083980520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2131608960).

1083980520 is an abundant number, since it is smaller than the sum of its proper divisors (3179237400).

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

1083980520 is a wasteful number, since it uses less digits than its factorization.

1083980520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25344 (or 25337 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1083980520 is about 32923.8594335476. The cubic root of 1083980520 is about 1027.2445028685.

The spelling of 1083980520 in words is "one billion, eighty-three million, nine hundred eighty thousand, five hundred twenty".