1029912971 has 2 divisors, whose sum is σ = 1029912972. Its totient is φ = 1029912970.

The previous prime is 1029912953. The next prime is 1029912979. The reversal of 1029912971 is 1792199201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1029912971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1029912979) 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, 514956485 + 514956486.

It is an arithmetic number, because the mean of its divisors is an integer number (514956486).

Almost surely, 2^1029912971 is an apocalyptic number.

1029912971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1029912971 is an equidigital number, since it uses as much as digits as its factorization.

1029912971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 1029912971 is about 32092.2571814449. The cubic root of 1029912971 is about 1009.8731896471.

The spelling of 1029912971 in words is "one billion, twenty-nine million, nine hundred twelve thousand, nine hundred seventy-one".