1042664971 has 2 divisors, whose sum is σ = 1042664972. Its totient is φ = 1042664970.

The previous prime is 1042664963. The next prime is 1042665011. The reversal of 1042664971 is 1794662401.

It is an a-pointer prime, because the next prime (1042665011) can be obtained adding 1042664971 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042664971 - 2³ = 1042664963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042664951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521332485 + 521332486.

It is an arithmetic number, because the mean of its divisors is an integer number (521332486).

Almost surely, 2^1042664971 is an apocalyptic number.

1042664971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042664971 is an equidigital number, since it uses as much as digits as its factorization.

1042664971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1042664971 is about 32290.3231789340. The cubic root of 1042664971 is about 1014.0240632585.

The spelling of 1042664971 in words is "one billion, forty-two million, six hundred sixty-four thousand, nine hundred seventy-one".