1042567 has 4 divisors (see below), whose sum is σ = 1087920. Its totient is φ = 997216.

The previous prime is 1042529. The next prime is 1042571. The reversal of 1042567 is 7652401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1042567 - 2⁷ = 1042439 is a prime.

It is a super-4 number, since 4×1042567⁴ (a number of 25 digits) contains 4444 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22642 + ... + 22687.

It is an arithmetic number, because the mean of its divisors is an integer number (271980).

2^1042567 is an apocalyptic number.

1042567 is a deficient number, since it is larger than the sum of its proper divisors (45353).

1042567 is an equidigital number, since it uses as much as digits as its factorization.

1042567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45352.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1042567 is about 1021.0617023471. The cubic root of 1042567 is about 101.3992302317.

Adding to 1042567 its reverse (7652401), we get a palindrome (8694968).

The spelling of 1042567 in words is "one million, forty-two thousand, five hundred sixty-seven".