981080 has 16 divisors (see below), whose sum is σ = 2207520. Its totient is φ = 392416.

The previous prime is 981077. The next prime is 981091. The reversal of 981080 is 80189.

It is an Ulam number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 12224 + ... + 12303.

It is an arithmetic number, because the mean of its divisors is an integer number (137970).

2⁹⁸¹⁰⁸⁰ is an apocalyptic number.

It is an amenable number.

981080 is an abundant number, since it is smaller than the sum of its proper divisors (1226440).

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

981080 is a wasteful number, since it uses less digits than its factorization.

981080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24538 (or 24534 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 981080 is about 990.4948258320. The cubic root of 981080 is about 99.3653135872.

The spelling of 981080 in words is "nine hundred eighty-one thousand, eighty".