1010020997 has 2 divisors, whose sum is σ = 1010020998. Its totient is φ = 1010020996.

The previous prime is 1010020969. The next prime is 1010021021. The reversal of 1010020997 is 7990200101.

1010020997 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., 971506561 + 38514436 = 31169^2 + 6206^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010020997 - 2⁶ = 1010020933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010020927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505010498 + 505010499.

It is an arithmetic number, because the mean of its divisors is an integer number (505010499).

Almost surely, 2^1010020997 is an apocalyptic number.

It is an amenable number.

1010020997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010020997 is an equidigital number, since it uses as much as digits as its factorization.

1010020997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 1010020997 is about 31780.8275065329. The cubic root of 1010020997 is about 1003.3292362193.

The spelling of 1010020997 in words is "one billion, ten million, twenty thousand, nine hundred ninety-seven".