1300023121 has 16 divisors (see below), whose sum is σ = 1345861440. Its totient is φ = 1254942720.

The previous prime is 1300023119. The next prime is 1300023163. The reversal of 1300023121 is 1213200031.

It is a cyclic number.

It is not a de Polignac number, because 1300023121 - 2¹ = 1300023119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300023191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2252785 + ... + 2253361.

It is an arithmetic number, because the mean of its divisors is an integer number (84116340).

Almost surely, 2^1300023121 is an apocalyptic number.

It is an amenable number.

1300023121 is a deficient number, since it is larger than the sum of its proper divisors (45838319).

1300023121 is a wasteful number, since it uses less digits than its factorization.

1300023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1300023121 is about 36055.8333837952. The cubic root of 1300023121 is about 1091.3993533035.

Adding to 1300023121 its reverse (1213200031), we get a palindrome (2513223152).

The spelling of 1300023121 in words is "one billion, three hundred million, twenty-three thousand, one hundred twenty-one".