1042573 has 6 divisors (see below), whose sum is σ = 1212846. Its totient is φ = 893592.

The previous prime is 1042571. The next prime is 1042577. The reversal of 1042573 is 3752401.

It can be written as a sum of positive squares in only one way, i.e., 636804 + 405769 = 798^2 + 637^2 .

It is not a de Polignac number, because 1042573 - 2¹ = 1042571 is a prime.

It is a Duffinian number.

1042573 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042571) 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, 10590 + ... + 10687.

It is an arithmetic number, because the mean of its divisors is an integer number (202141).

2^1042573 is an apocalyptic number.

It is an amenable number.

1042573 is a deficient number, since it is larger than the sum of its proper divisors (170273).

1042573 is an equidigital number, since it uses as much as digits as its factorization.

1042573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21291 (or 21284 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 1042573 is about 1021.0646404611. The cubic root of 1042573 is about 101.3994247497.

Adding to 1042573 its reverse (3752401), we get a palindrome (4794974).

The spelling of 1042573 in words is "one million, forty-two thousand, five hundred seventy-three".