1081578 has 8 divisors (see below), whose sum is σ = 2163168. Its totient is φ = 360524.

The previous prime is 1081541. The next prime is 1081583. The reversal of 1081578 is 8751801.

It is a sphenic number, since it is the product of 3 distinct primes.

1081578 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90126 + ... + 90137.

It is an arithmetic number, because the mean of its divisors is an integer number (270396).

2^1081578 is an apocalyptic number.

1081578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1081578 is a wasteful number, since it uses less digits than its factorization.

1081578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180268.

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 1081578 is about 1039.9894230231. The cubic root of 1081578 is about 102.6485017805.

The spelling of 1081578 in words is "one million, eighty-one thousand, five hundred seventy-eight".