1012513171 has 2 divisors, whose sum is σ = 1012513172. Its totient is φ = 1012513170.

The previous prime is 1012513169. The next prime is 1012513207. The reversal of 1012513171 is 1713152101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012513171 - 2¹ = 1012513169 is a prime.

Together with 1012513169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1012513111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506256585 + 506256586.

It is an arithmetic number, because the mean of its divisors is an integer number (506256586).

Almost surely, 2^1012513171 is an apocalyptic number.

1012513171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012513171 is an equidigital number, since it uses as much as digits as its factorization.

1012513171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 22.

The square root of 1012513171 is about 31820.0121150197. The cubic root of 1012513171 is about 1004.1537792285.

Adding to 1012513171 its reverse (1713152101), we get a palindrome (2725665272).

The spelling of 1012513171 in words is "one billion, twelve million, five hundred thirteen thousand, one hundred seventy-one".