1020113071 has 2 divisors, whose sum is σ = 1020113072. Its totient is φ = 1020113070.

The previous prime is 1020113057. The next prime is 1020113099. The reversal of 1020113071 is 1703110201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020113071 - 2⁹ = 1020112559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020110071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510056535 + 510056536.

It is an arithmetic number, because the mean of its divisors is an integer number (510056536).

Almost surely, 2^1020113071 is an apocalyptic number.

1020113071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020113071 is an equidigital number, since it uses as much as digits as its factorization.

1020113071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 1020113071 is about 31939.2089914575. The cubic root of 1020113071 is about 1006.6599042107.

Adding to 1020113071 its reverse (1703110201), we get a palindrome (2723223272).

The spelling of 1020113071 in words is "one billion, twenty million, one hundred thirteen thousand, seventy-one".