512130105 has 12 divisors (see below), whose sum is σ = 887692260. Its totient is φ = 273136032.

The previous prime is 512130103. The next prime is 512130107. The reversal of 512130105 is 501031215.

It is an interprime number because it is at equal distance from previous prime (512130103) and next prime (512130107).

It can be written as a sum of positive squares in 2 ways, for example, as 274631184 + 237498921 = 16572^2 + 15411^2 .

It is not a de Polignac number, because 512130105 - 2¹ = 512130103 is a prime.

It is a super-2 number, since 2×512130105² = 524554488894622050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (512130103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5690290 + ... + 5690379.

It is an arithmetic number, because the mean of its divisors is an integer number (73974355).

Almost surely, 2^512130105 is an apocalyptic number.

It is an amenable number.

512130105 is a deficient number, since it is larger than the sum of its proper divisors (375562155).

512130105 is a wasteful number, since it uses less digits than its factorization.

512130105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11380680 (or 11380677 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 512130105 is about 22630.2917568466. The cubic root of 512130105 is about 800.0677572819.

The spelling of 512130105 in words is "five hundred twelve million, one hundred thirty thousand, one hundred five".