1020341117 has 2 divisors, whose sum is σ = 1020341118. Its totient is φ = 1020341116.

The previous prime is 1020341093. The next prime is 1020341137. The reversal of 1020341117 is 7111430201.

It is a happy number.

It is an a-pointer prime, because the next prime (1020341137) can be obtained adding 1020341117 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630712996 + 389628121 = 25114^2 + 19739^2 .

It is an emirp because it is prime and its reverse (7111430201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020341117 - 2²⁶ = 953232253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020341137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510170558 + 510170559.

It is an arithmetic number, because the mean of its divisors is an integer number (510170559).

Almost surely, 2^1020341117 is an apocalyptic number.

It is an amenable number.

1020341117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020341117 is an equidigital number, since it uses as much as digits as its factorization.

1020341117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1020341117 is about 31942.7787927099. The cubic root of 1020341117 is about 1006.7349114711.

Adding to 1020341117 its reverse (7111430201), we get a palindrome (8131771318).

The spelling of 1020341117 in words is "one billion, twenty million, three hundred forty-one thousand, one hundred seventeen".