1081004 has 12 divisors (see below), whose sum is σ = 1957200. Its totient is φ = 521808.

The previous prime is 1080983. The next prime is 1081027. The reversal of 1081004 is 4001801.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1081004.

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, 4544 + ... + 4775.

It is an arithmetic number, because the mean of its divisors is an integer number (163100).

2^1081004 is an apocalyptic number.

It is an amenable number.

1081004 is a deficient number, since it is larger than the sum of its proper divisors (876196).

1081004 is a wasteful number, since it uses less digits than its factorization.

1081004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9352 (or 9350 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1081004 is about 1039.7134220544. The cubic root of 1081004 is about 102.6303398399.

Adding to 1081004 its reverse (4001801), we get a palindrome (5082805).

The spelling of 1081004 in words is "one million, eighty-one thousand, four".