1442872 has 32 divisors (see below), whose sum is σ = 2857680. Its totient is φ = 682240.

The previous prime is 1442869. The next prime is 1442873. The reversal of 1442872 is 2782441.

It is a self number, because there is not a number n which added to its sum of digits gives 1442872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17343 + ... + 17425.

2^1442872 is an apocalyptic number.

It is an amenable number.

1442872 is a deficient number, since it is larger than the sum of its proper divisors (1414808).

1442872 is a wasteful number, since it uses less digits than its factorization.

1442872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 179 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 1442872 is about 1201.1960705896. The cubic root of 1442872 is about 112.9993473740. Note that the first 3 decimals are identical.

The spelling of 1442872 in words is "one million, four hundred forty-two thousand, eight hundred seventy-two".