1080831290 has 48 divisors (see below), whose sum is σ = 2443948416. Its totient is φ = 336879840.

The previous prime is 1080831263. The next prime is 1080831293. The reversal of 1080831290 is 921380801.

It is not an unprimeable number, because it can be changed into a prime (1080831293) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 55334 + ... + 72273.

It is an arithmetic number, because the mean of its divisors is an integer number (50915592).

Almost surely, 2^1080831290 is an apocalyptic number.

1080831290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1080831290 is an abundant number, since it is smaller than the sum of its proper divisors (1363117126).

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

1080831290 is a wasteful number, since it uses less digits than its factorization.

1080831290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127643 (or 127632 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 1080831290 is about 32875.9986920550. The cubic root of 1080831290 is about 1026.2487386261.

The spelling of 1080831290 in words is "one billion, eighty million, eight hundred thirty-one thousand, two hundred ninety".