1065938971 has 2 divisors, whose sum is σ = 1065938972. Its totient is φ = 1065938970.

The previous prime is 1065938963. The next prime is 1065938983. The reversal of 1065938971 is 1798395601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1065938971 - 2³ = 1065938963 is a prime.

It is a super-2 number, since 2×1065938971² = 2272451779793077682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1065938941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532969485 + 532969486.

It is an arithmetic number, because the mean of its divisors is an integer number (532969486).

Almost surely, 2^1065938971 is an apocalyptic number.

1065938971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065938971 is an equidigital number, since it uses as much as digits as its factorization.

1065938971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 1065938971 is about 32648.7208172081. The cubic root of 1065938971 is about 1021.5135069783.

The spelling of 1065938971 in words is "one billion, sixty-five million, nine hundred thirty-eight thousand, nine hundred seventy-one".