1230304515 has 32 divisors (see below), whose sum is σ = 2149341696. Its totient is φ = 595983360.

The previous prime is 1230304513. The next prime is 1230304553. The reversal of 1230304515 is 5154030321.

It is not a de Polignac number, because 1230304515 - 2¹ = 1230304513 is a prime.

It is a super-3 number, since 3×1230304515³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1230304513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236179 + ... + 241331.

It is an arithmetic number, because the mean of its divisors is an integer number (67166928).

Almost surely, 2^1230304515 is an apocalyptic number.

1230304515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1230304515 is a deficient number, since it is larger than the sum of its proper divisors (919037181).

1230304515 is a wasteful number, since it uses less digits than its factorization.

1230304515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6619.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1230304515 is about 35075.6969282151. The cubic root of 1230304515 is about 1071.5296824324.

Adding to 1230304515 its reverse (5154030321), we get a palindrome (6384334836).

The spelling of 1230304515 in words is "one billion, two hundred thirty million, three hundred four thousand, five hundred fifteen".