1301322123 has 24 divisors (see below), whose sum is σ = 1958501376. Its totient is φ = 831697200.

The previous prime is 1301322107. The next prime is 1301322131. The reversal of 1301322123 is 3212231031.

It is not a de Polignac number, because 1301322123 - 2⁴ = 1301322107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1301322096 and 1301322105.

It is not an unprimeable number, because it can be changed into a prime (1301322623) 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, 8058 + ... + 51648.

It is an arithmetic number, because the mean of its divisors is an integer number (81604224).

Almost surely, 2^1301322123 is an apocalyptic number.

1301322123 is a deficient number, since it is larger than the sum of its proper divisors (657179253).

1301322123 is a wasteful number, since it uses less digits than its factorization.

1301322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43735 (or 43732 counting only the distinct ones).

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

The square root of 1301322123 is about 36073.8426425575. The cubic root of 1301322123 is about 1091.7627463274.

Adding to 1301322123 its reverse (3212231031), we get a palindrome (4513553154).

The spelling of 1301322123 in words is "one billion, three hundred one million, three hundred twenty-two thousand, one hundred twenty-three".