1042587 has 48 divisors (see below), whose sum is σ = 1980160. Its totient is φ = 513216.

The previous prime is 1042583. The next prime is 1042597. The reversal of 1042587 is 7852401.

It is not a de Polignac number, because 1042587 - 2² = 1042583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042587.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15528 + ... + 15594.

2^1042587 is an apocalyptic number.

1042587 is a deficient number, since it is larger than the sum of its proper divisors (937573).

1042587 is a wasteful number, since it uses less digits than its factorization.

1042587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1042587 is about 1021.0714960276. The cubic root of 1042587 is about 101.3998786222.

Adding to 1042587 its reverse (7852401), we get a palindrome (8894988).

The spelling of 1042587 in words is "one million, forty-two thousand, five hundred eighty-seven".