1301113123 has 2 divisors, whose sum is σ = 1301113124. Its totient is φ = 1301113122.

The previous prime is 1301113117. The next prime is 1301113157. The reversal of 1301113123 is 3213111031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1301113123 - 2⁹ = 1301112611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1301113097 and 1301113106.

It is not a weakly prime, because it can be changed into another prime (1301113223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650556561 + 650556562.

It is an arithmetic number, because the mean of its divisors is an integer number (650556562).

Almost surely, 2^1301113123 is an apocalyptic number.

1301113123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301113123 is an equidigital number, since it uses as much as digits as its factorization.

1301113123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1301113123 is about 36070.9456904030. The cubic root of 1301113123 is about 1091.7042953549.

Adding to 1301113123 its reverse (3213111031), we get a palindrome (4514224154).

The spelling of 1301113123 in words is "one billion, three hundred one million, one hundred thirteen thousand, one hundred twenty-three".