1230512315 has 16 divisors (see below), whose sum is σ = 1484517888. Its totient is φ = 979157856.

The previous prime is 1230512299. The next prime is 1230512317. The reversal of 1230512315 is 5132150321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1230512315 - 2⁴ = 1230512299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230512317) by changing a digit.

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, 1115054 + ... + 1116156.

It is an arithmetic number, because the mean of its divisors is an integer number (92782368).

Almost surely, 2^1230512315 is an apocalyptic number.

1230512315 is a deficient number, since it is larger than the sum of its proper divisors (254005573).

1230512315 is a wasteful number, since it uses less digits than its factorization.

1230512315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1230512315 is about 35078.6589680963. The cubic root of 1230512315 is about 1071.5900066124.

Adding to 1230512315 its reverse (5132150321), we get a palindrome (6362662636).

The spelling of 1230512315 in words is "one billion, two hundred thirty million, five hundred twelve thousand, three hundred fifteen".