1028761 has 2 divisors, whose sum is σ = 1028762. Its totient is φ = 1028760.

The previous prime is 1028749. The next prime is 1028773. The reversal of 1028761 is 1678201.

It is a balanced prime because it is at equal distance from previous prime (1028749) and next prime (1028773).

It can be written as a sum of positive squares in only one way, i.e., 883600 + 145161 = 940^2 + 381^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028761 - 2¹⁹ = 504473 is a prime.

It is not a weakly prime, because it can be changed into another prime (1028561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514380 + 514381.

It is an arithmetic number, because the mean of its divisors is an integer number (514381).

2^1028761 is an apocalyptic number.

It is an amenable number.

1028761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028761 is an equidigital number, since it uses as much as digits as its factorization.

1028761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1028761 is about 1014.2785613430. The cubic root of 1028761 is about 100.9496530431.

The spelling of 1028761 in words is "one million, twenty-eight thousand, seven hundred sixty-one".