1028747 has 2 divisors, whose sum is σ = 1028748. Its totient is φ = 1028746.

The previous prime is 1028737. The next prime is 1028749. The reversal of 1028747 is 7478201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1028747 - 2⁶ = 1028683 is a prime.

Together with 1028749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1028749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514373 + 514374.

It is an arithmetic number, because the mean of its divisors is an integer number (514374).

2^1028747 is an apocalyptic number.

1028747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028747 is an equidigital number, since it uses as much as digits as its factorization.

1028747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 1028747 is about 1014.2716598624. The cubic root of 1028747 is about 100.9491951131.

The spelling of 1028747 in words is "one million, twenty-eight thousand, seven hundred forty-seven".