1028146997 has 2 divisors, whose sum is σ = 1028146998. Its totient is φ = 1028146996.

The previous prime is 1028146967. The next prime is 1028147011. The reversal of 1028146997 is 7996418201.

1028146997 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., 981005041 + 47141956 = 31321^2 + 6866^2 .

It is an emirp because it is prime and its reverse (7996418201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1028146997 - 2²⁴ = 1011369781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028146907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514073498 + 514073499.

It is an arithmetic number, because the mean of its divisors is an integer number (514073499).

Almost surely, 2^1028146997 is an apocalyptic number.

It is an amenable number.

1028146997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028146997 is an equidigital number, since it uses as much as digits as its factorization.

1028146997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 1028146997 is about 32064.7313570533. The cubic root of 1028146997 is about 1009.2956553810.

The spelling of 1028146997 in words is "one billion, twenty-eight million, one hundred forty-six thousand, nine hundred ninety-seven".