1304245042123 has 4 divisors (see below), whose sum is σ = 1313628100120. Its totient is φ = 1294861984128.

The previous prime is 1304245042097. The next prime is 1304245042129. The reversal of 1304245042123 is 3212405424031.

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

It is a cyclic number.

It is not a de Polignac number, because 1304245042123 - 2⁵ = 1304245042091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304245042129) 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, 4691528790 + ... + 4691529067.

It is an arithmetic number, because the mean of its divisors is an integer number (328407025030).

Almost surely, 2^{1304245042123} is an apocalyptic number.

1304245042123 is a deficient number, since it is larger than the sum of its proper divisors (9383057997).

1304245042123 is an equidigital number, since it uses as much as digits as its factorization.

1304245042123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9383057996.

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 1304245042123 in words is "one trillion, three hundred four billion, two hundred forty-five million, forty-two thousand, one hundred twenty-three".