1020708197 has 2 divisors, whose sum is σ = 1020708198. Its totient is φ = 1020708196.

The previous prime is 1020708193. The next prime is 1020708209. The reversal of 1020708197 is 7918070201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 880546276 + 140161921 = 29674^2 + 11839^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020708197 - 2² = 1020708193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020708193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510354098 + 510354099.

It is an arithmetic number, because the mean of its divisors is an integer number (510354099).

Almost surely, 2^1020708197 is an apocalyptic number.

It is an amenable number.

1020708197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020708197 is an equidigital number, since it uses as much as digits as its factorization.

1020708197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 1020708197 is about 31948.5241756173. The cubic root of 1020708197 is about 1006.8556253308.

Adding to 1020708197 its reverse (7918070201), we get a palindrome (8938778398).

The spelling of 1020708197 in words is "one billion, twenty million, seven hundred eight thousand, one hundred ninety-seven".