1081459380 has 48 divisors (see below), whose sum is σ = 3079419840. Its totient is φ = 283500288.

The previous prime is 1081459367. The next prime is 1081459427. The reversal of 1081459380 is 839541801.

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, 149209 + ... + 156288.

It is an arithmetic number, because the mean of its divisors is an integer number (64154580).

Almost surely, 2^1081459380 is an apocalyptic number.

1081459380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1081459380 is an abundant number, since it is smaller than the sum of its proper divisors (1997960460).

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

1081459380 is a wasteful number, since it uses less digits than its factorization.

1081459380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305568 (or 305566 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1081459380 is about 32885.5497141222. The cubic root of 1081459380 is about 1026.4474905060.

The spelling of 1081459380 in words is "one billion, eighty-one million, four hundred fifty-nine thousand, three hundred eighty".