1047872 has 28 divisors (see below), whose sum is σ = 2377440. Its totient is φ = 448896.

The previous prime is 1047859. The next prime is 1047881. The reversal of 1047872 is 2787401.

It is a tau number, because it is divible by the number of its divisors (28).

It is an Ulam number.

It is a nialpdrome in base 4 and base 16.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722 + ... + 1617.

2^1047872 is an apocalyptic number.

It is an amenable number.

1047872 is an abundant number, since it is smaller than the sum of its proper divisors (1329568).

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

1047872 is an equidigital number, since it uses as much as digits as its factorization.

1047872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358 (or 2348 counting only the distinct ones).

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

The square root of 1047872 is about 1023.6561922833. The cubic root of 1047872 is about 101.5709260228.

The spelling of 1047872 in words is "one million, forty-seven thousand, eight hundred seventy-two".