1010947897 has 2 divisors, whose sum is σ = 1010947898. Its totient is φ = 1010947896.

The previous prime is 1010947853. The next prime is 1010947901. The reversal of 1010947897 is 7987490101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 954562816 + 56385081 = 30896^2 + 7509^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010947897 - 2¹¹ = 1010945849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010947097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505473948 + 505473949.

It is an arithmetic number, because the mean of its divisors is an integer number (505473949).

Almost surely, 2^1010947897 is an apocalyptic number.

It is an amenable number.

1010947897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010947897 is an equidigital number, since it uses as much as digits as its factorization.

1010947897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 1010947897 is about 31795.4068538209. The cubic root of 1010947897 is about 1003.6360620289.

The spelling of 1010947897 in words is "one billion, ten million, nine hundred forty-seven thousand, eight hundred ninety-seven".