1004272 has 20 divisors (see below), whose sum is σ = 2031120. Its totient is φ = 480128.

The previous prime is 1004233. The next prime is 1004273. The reversal of 1004272 is 2724001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004273) by changing a digit.

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, 997 + ... + 1732.

It is an arithmetic number, because the mean of its divisors is an integer number (101556).

2^1004272 is an apocalyptic number.

It is an amenable number.

1004272 is an abundant number, since it is smaller than the sum of its proper divisors (1026848).

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

1004272 is a wasteful number, since it uses less digits than its factorization.

1004272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760 (or 2754 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1004272 is about 1002.1337236118. The cubic root of 1004272 is about 100.1421977023.

Adding to 1004272 its reverse (2724001), we get a palindrome (3728273).

The spelling of 1004272 in words is "one million, four thousand, two hundred seventy-two".