1230104013 has 4 divisors (see below), whose sum is σ = 1640138688. Its totient is φ = 820069340.

The previous prime is 1230104011. The next prime is 1230104021. The reversal of 1230104013 is 3104010321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1230104013 - 2¹ = 1230104011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230103983 and 1230104001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230104011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205017333 + ... + 205017338.

It is an arithmetic number, because the mean of its divisors is an integer number (410034672).

Almost surely, 2^1230104013 is an apocalyptic number.

It is an amenable number.

1230104013 is a deficient number, since it is larger than the sum of its proper divisors (410034675).

1230104013 is an equidigital number, since it uses as much as digits as its factorization.

1230104013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410034674.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1230104013 is about 35072.8386789550. The cubic root of 1230104013 is about 1071.4714704169.

Adding to 1230104013 its reverse (3104010321), we get a palindrome (4334114334).

The spelling of 1230104013 in words is "one billion, two hundred thirty million, one hundred four thousand, thirteen".