1230260505 has 64 divisors (see below), whose sum is σ = 2137363200. Its totient is φ = 601989120.

The previous prime is 1230260491. The next prime is 1230260519. The reversal of 1230260505 is 5050620321.

It is an interprime number because it is at equal distance from previous prime (1230260491) and next prime (1230260519).

It is not a de Polignac number, because 1230260505 - 2¹⁶ = 1230194969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2161861 + ... + 2162429.

It is an arithmetic number, because the mean of its divisors is an integer number (33396300).

Almost surely, 2^1230260505 is an apocalyptic number.

1230260505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1230260505 is a deficient number, since it is larger than the sum of its proper divisors (907102695).

1230260505 is a wasteful number, since it uses less digits than its factorization.

1230260505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794.

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

The square root of 1230260505 is about 35075.0695651484. The cubic root of 1230260505 is about 1071.5169054917.

Adding to 1230260505 its reverse (5050620321), we get a palindrome (6280880826).

The spelling of 1230260505 in words is "one billion, two hundred thirty million, two hundred sixty thousand, five hundred five".