1012161071 has 2 divisors, whose sum is σ = 1012161072. Its totient is φ = 1012161070.

The previous prime is 1012161061. The next prime is 1012161077. The reversal of 1012161071 is 1701612101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012161071 - 2¹⁰ = 1012160047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012161077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506080535 + 506080536.

It is an arithmetic number, because the mean of its divisors is an integer number (506080536).

Almost surely, 2^1012161071 is an apocalyptic number.

1012161071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012161071 is an equidigital number, since it uses as much as digits as its factorization.

1012161071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 20.

The square root of 1012161071 is about 31814.4789522004. The cubic root of 1012161071 is about 1004.0373680557.

Adding to 1012161071 its reverse (1701612101), we get a palindrome (2713773172).

The spelling of 1012161071 in words is "one billion, twelve million, one hundred sixty-one thousand, seventy-one".