1004072 has 8 divisors (see below), whose sum is σ = 1882650. Its totient is φ = 502032.

The previous prime is 1004063. The next prime is 1004077. The reversal of 1004072 is 2704001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 586756 + 417316 = 766^2 + 646^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1004077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62747 + ... + 62762.

2^1004072 is an apocalyptic number.

It is an amenable number.

1004072 is a deficient number, since it is larger than the sum of its proper divisors (878578).

1004072 is a wasteful number, since it uses less digits than its factorization.

1004072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125515 (or 125511 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 1004072 is about 1002.0339315612. The cubic root of 1004072 is about 100.1355495136.

Adding to 1004072 its reverse (2704001), we get a palindrome (3708073).

The spelling of 1004072 in words is "one million, four thousand, seventy-two".