1081001080 has 64 divisors (see below), whose sum is σ = 2549685600. Its totient is φ = 412016640.

The previous prime is 1081001059. The next prime is 1081001111. The reversal of 1081001080 is 801001801.

It is a super-2 number, since 2×1081001080² = 2337126669922332800, which contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 62856 + ... + 78184.

Almost surely, 2^1081001080 is an apocalyptic number.

1081001080 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 1081001080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274842800).

1081001080 is an abundant number, since it is smaller than the sum of its proper divisors (1468684520).

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

1081001080 is a wasteful number, since it uses less digits than its factorization.

1081001080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15424 (or 15420 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 1081001080 is about 32878.5808696178. The cubic root of 1081001080 is about 1026.3024743175.

Adding to 1081001080 its reverse (801001801), we get a palindrome (1882002881).

The spelling of 1081001080 in words is "one billion, eighty-one million, one thousand, eighty".