1000981080 has 192 divisors, whose sum is σ = 3757946400. Its totient is φ = 228372480.

The previous prime is 1000981049. The next prime is 1000981099. The reversal of 1000981080 is 801890001.

1000981080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59886 + ... + 74754.

Almost surely, 2^1000981080 is an apocalyptic number.

1000981080 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 1000981080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1878973200).

1000981080 is an abundant number, since it is smaller than the sum of its proper divisors (2756965320).

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

1000981080 is a wasteful number, since it uses less digits than its factorization.

1000981080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14914 (or 14907 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 1000981080 is about 31638.2850356969. The cubic root of 1000981080 is about 1000.3269197785.

The spelling of 1000981080 in words is "one billion, nine hundred eighty-one thousand, eighty".