1301430123 has 24 divisors (see below), whose sum is σ = 2174285568. Its totient is φ = 734711472.

The previous prime is 1301430089. The next prime is 1301430133. The reversal of 1301430123 is 3210341031.

It is not a de Polignac number, because 1301430123 - 2⁸ = 1301429867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1301430096 and 1301430105.

It is not an unprimeable number, because it can be changed into a prime (1301430133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119215 + ... + 129672.

It is an arithmetic number, because the mean of its divisors is an integer number (90595232).

Almost surely, 2^1301430123 is an apocalyptic number.

1301430123 is a deficient number, since it is larger than the sum of its proper divisors (872855445).

1301430123 is a wasteful number, since it uses less digits than its factorization.

1301430123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248983 (or 248980 counting only the distinct ones).

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

The square root of 1301430123 is about 36075.3395410216. The cubic root of 1301430123 is about 1091.7929482051.

Adding to 1301430123 its reverse (3210341031), we get a palindrome (4511771154).

The spelling of 1301430123 in words is "one billion, three hundred one million, four hundred thirty thousand, one hundred twenty-three".