1047728 has 20 divisors (see below), whose sum is σ = 2214888. Its totient is φ = 476160.

The previous prime is 1047721. The next prime is 1047737. The reversal of 1047728 is 8277401.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1047728.

It is not an unprimeable number, because it can be changed into a prime (1047721) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2801 + ... + 3152.

2^1047728 is an apocalyptic number.

It is an amenable number.

1047728 is an abundant number, since it is smaller than the sum of its proper divisors (1167160).

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

1047728 is a wasteful number, since it uses less digits than its factorization.

1047728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5972 (or 5966 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 1047728 is about 1023.5858537514. The cubic root of 1047728 is about 101.5662731379.

The spelling of 1047728 in words is "one million, forty-seven thousand, seven hundred twenty-eight".