1021473 has 6 divisors (see below), whose sum is σ = 1475474. Its totient is φ = 680976.

The previous prime is 1021463. The next prime is 1021483. The reversal of 1021473 is 3741201.

1021473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1021463) and next prime (1021483).

It can be written as a sum of positive squares in only one way, i.e., 589824 + 431649 = 768^2 + 657^2 .

It is not a de Polignac number, because 1021473 - 2⁴ = 1021457 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1021403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56740 + ... + 56757.

2^1021473 is an apocalyptic number.

It is an amenable number.

1021473 is a deficient number, since it is larger than the sum of its proper divisors (454001).

1021473 is a wasteful number, since it uses less digits than its factorization.

1021473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113503 (or 113500 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1021473 is about 1010.6794744131. The cubic root of 1021473 is about 100.7107037033.

Adding to 1021473 its reverse (3741201), we get a palindrome (4762674).

The spelling of 1021473 in words is "one million, twenty-one thousand, four hundred seventy-three".