1230522005 has 16 divisors (see below), whose sum is σ = 1484757120. Its totient is φ = 979013952.

The previous prime is 1230521983. The next prime is 1230522017. The reversal of 1230522005 is 5002250321.

It is a cyclic number.

It is not a de Polignac number, because 1230522005 - 2¹² = 1230517909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272032 + ... + 1272998.

It is an arithmetic number, because the mean of its divisors is an integer number (92797320).

Almost surely, 2^1230522005 is an apocalyptic number.

It is an amenable number.

1230522005 is a deficient number, since it is larger than the sum of its proper divisors (254235115).

1230522005 is an equidigital number, since it uses as much as digits as its factorization.

1230522005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1230522005 is about 35078.7970859891. The cubic root of 1230522005 is about 1071.5928194463.

Adding to 1230522005 its reverse (5002250321), we get a palindrome (6232772326).

The spelling of 1230522005 in words is "one billion, two hundred thirty million, five hundred twenty-two thousand, five".