1042705287 has 12 divisors (see below), whose sum is σ = 1621986184. Its totient is φ = 641664720.

The previous prime is 1042705267. The next prime is 1042705327. The reversal of 1042705287 is 7825072401.

1042705287 is a `hidden beast` number, since 104 + 27 + 0 + 528 + 7 = 666.

It is not a de Polignac number, because 1042705287 - 2¹⁰ = 1042704263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042705267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4455889 + ... + 4456122.

Almost surely, 2^1042705287 is an apocalyptic number.

1042705287 is a deficient number, since it is larger than the sum of its proper divisors (579280897).

1042705287 is a wasteful number, since it uses less digits than its factorization.

1042705287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8912030 (or 8912027 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 1042705287 is about 32290.9474466142. The cubic root of 1042705287 is about 1014.0371326108.

Adding to 1042705287 its reverse (7825072401), we get a palindrome (8867777688).

The spelling of 1042705287 in words is "one billion, forty-two million, seven hundred five thousand, two hundred eighty-seven".