1028420741 has 2 divisors, whose sum is σ = 1028420742. Its totient is φ = 1028420740.

The previous prime is 1028420719. The next prime is 1028420749. The reversal of 1028420741 is 1470248201.

1028420741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 797836516 + 230584225 = 28246^2 + 15185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028420741 - 2²⁶ = 961311877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028420749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514210370 + 514210371.

It is an arithmetic number, because the mean of its divisors is an integer number (514210371).

Almost surely, 2^1028420741 is an apocalyptic number.

It is an amenable number.

1028420741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028420741 is an equidigital number, since it uses as much as digits as its factorization.

1028420741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 1028420741 is about 32068.9996881724. Note that the first 3 decimals coincide. The cubic root of 1028420741 is about 1009.3852223766.

Adding to 1028420741 its reverse (1470248201), we get a palindrome (2498668942).

The spelling of 1028420741 in words is "one billion, twenty-eight million, four hundred twenty thousand, seven hundred forty-one".