1230315266 has 4 divisors (see below), whose sum is σ = 1845472902. Its totient is φ = 615157632.

The previous prime is 1230315253. The next prime is 1230315293. The reversal of 1230315266 is 6625130321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 749609641 + 480705625 = 27379^2 + 21925^2 .

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 as a sum of consecutive naturals, namely, 307578815 + ... + 307578818.

Almost surely, 2^1230315266 is an apocalyptic number.

1230315266 is a deficient number, since it is larger than the sum of its proper divisors (615157636).

1230315266 is an equidigital number, since it uses as much as digits as its factorization.

1230315266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615157635.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1230315266 is about 35075.8501821410. The cubic root of 1230315266 is about 1071.5328036061.

Adding to 1230315266 its reverse (6625130321), we get a palindrome (7855445587).

The spelling of 1230315266 in words is "one billion, two hundred thirty million, three hundred fifteen thousand, two hundred sixty-six".