1042747 has 4 divisors (see below), whose sum is σ = 1076416. Its totient is φ = 1009080.

The previous prime is 1042733. The next prime is 1042759. The reversal of 1042747 is 7472401.

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 1042747 - 2⁷ = 1042619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040747) 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, 16788 + ... + 16849.

It is an arithmetic number, because the mean of its divisors is an integer number (269104).

2^1042747 is an apocalyptic number.

1042747 is a deficient number, since it is larger than the sum of its proper divisors (33669).

1042747 is an equidigital number, since it uses as much as digits as its factorization.

1042747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33668.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 1042747 is about 1021.1498420898. The cubic root of 1042747 is about 101.4050654478.

The spelling of 1042747 in words is "one million, forty-two thousand, seven hundred forty-seven".