1042571 has 2 divisors, whose sum is σ = 1042572. Its totient is φ = 1042570.

The previous prime is 1042529. The next prime is 1042577. The reversal of 1042571 is 1752401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042571 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1042577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521285 + 521286.

It is an arithmetic number, because the mean of its divisors is an integer number (521286).

2^1042571 is an apocalyptic number.

1042571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042571 is an equidigital number, since it uses as much as digits as its factorization.

1042571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1042571 is about 1021.0636610907. The cubic root of 1042571 is about 101.3993599105.

Adding to 1042571 its reverse (1752401), we get a palindrome (2794972).

The spelling of 1042571 in words is "one million, forty-two thousand, five hundred seventy-one".