1021472 has 24 divisors (see below), whose sum is σ = 2034396. Its totient is φ = 504832.

The previous prime is 1021463. The next prime is 1021483. The reversal of 1021472 is 2741201.

It can be written as a sum of positive squares in 2 ways, for example, as 1008016 + 13456 = 1004^2 + 116^2 .

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 1021472.

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, 4268 + ... + 4500.

2^1021472 is an apocalyptic number.

It is an amenable number.

1021472 is a deficient number, since it is larger than the sum of its proper divisors (1012924).

1021472 is a wasteful number, since it uses less digits than its factorization.

1021472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1021472 is about 1010.6789796963. The cubic root of 1021472 is about 100.7106708387.

Adding to 1021472 its reverse (2741201), we get a palindrome (3762673).

The spelling of 1021472 in words is "one million, twenty-one thousand, four hundred seventy-two".