1043872 has 12 divisors (see below), whose sum is σ = 2055186. Its totient is φ = 521920.

The previous prime is 1043869. The next prime is 1043873. The reversal of 1043872 is 2783401.

It can be written as a sum of positive squares in only one way, i.e., 853776 + 190096 = 924^2 + 436^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1043873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16279 + ... + 16342.

2^1043872 is an apocalyptic number.

It is an amenable number.

1043872 is a deficient number, since it is larger than the sum of its proper divisors (1011314).

1043872 is an equidigital number, since it uses as much as digits as its factorization.

1043872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32631 (or 32623 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1043872 is about 1021.7005432121. The cubic root of 1043872 is about 101.4415203426.

The spelling of 1043872 in words is "one million, forty-three thousand, eight hundred seventy-two".