1301304123 has 72 divisors (see below), whose sum is σ = 2281367088. Its totient is φ = 739077696.

The previous prime is 1301304101. The next prime is 1301304127. The reversal of 1301304123 is 3214031031.

It is not a de Polignac number, because 1301304123 - 2¹⁰ = 1301303099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1301304096 and 1301304105.

It is not an unprimeable number, because it can be changed into a prime (1301304127) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3488565 + ... + 3488937.

It is an arithmetic number, because the mean of its divisors is an integer number (31685654).

Almost surely, 2^1301304123 is an apocalyptic number.

1301304123 is a deficient number, since it is larger than the sum of its proper divisors (980062965).

1301304123 is an equidigital number, since it uses as much as digits as its factorization.

1301304123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1301304123 is about 36073.5931534412. The cubic root of 1301304123 is about 1091.7577125186.

Adding to 1301304123 its reverse (3214031031), we get a palindrome (4515335154).

The spelling of 1301304123 in words is "one billion, three hundred one million, three hundred four thousand, one hundred twenty-three".