1010605005 has 20 divisors (see below), whose sum is σ = 1811603772. Its totient is φ = 538989120.

The previous prime is 1010604977. The next prime is 1010605033. The reversal of 1010605005 is 5005060101.

1010605005 is a `hidden beast` number, since 101 + 0 + 60 + 500 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1010604977) and next prime (1010605033).

It can be written as a sum of positive squares in 2 ways, for example, as 145009764 + 865595241 = 12042^2 + 29421^2 .

It is not a de Polignac number, because 1010605005 - 2¹³ = 1010596813 is a prime.

It is a super-2 number, since 2×1010605005² = 2042644952262100050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1247256 + ... + 1248065.

Almost surely, 2^1010605005 is an apocalyptic number.

1010605005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1010605005 is a deficient number, since it is larger than the sum of its proper divisors (800998767).

1010605005 is an equidigital number, since it uses as much as digits as its factorization.

1010605005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495338 (or 2495329 counting only the distinct ones).

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

The square root of 1010605005 is about 31790.0142340327. The cubic root of 1010605005 is about 1003.5225785371.

Adding to 1010605005 its reverse (5005060101), we get a palindrome (6015665106).

The spelling of 1010605005 in words is "one billion, ten million, six hundred five thousand, five".