1301421123 has 24 divisors (see below), whose sum is σ = 1890907200. Its totient is φ = 862521264.

The previous prime is 1301421103. The next prime is 1301421127. The reversal of 1301421123 is 3211241031.

It is not a de Polignac number, because 1301421123 - 2⁶ = 1301421059 is a prime.

It is a super-2 number, since 2×1301421123² = 3387393878781162258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1301421096 and 1301421105.

It is not an unprimeable number, because it can be changed into a prime (1301421127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1760688 + ... + 1761426.

It is an arithmetic number, because the mean of its divisors is an integer number (78787800).

Almost surely, 2^1301421123 is an apocalyptic number.

1301421123 is a deficient number, since it is larger than the sum of its proper divisors (589486077).

1301421123 is a wasteful number, since it uses less digits than its factorization.

1301421123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631 (or 1628 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1301421123 is about 36075.2148018553. The cubic root of 1301421123 is about 1091.7904314458.

Adding to 1301421123 its reverse (3211241031), we get a palindrome (4512662154).

The spelling of 1301421123 in words is "one billion, three hundred one million, four hundred twenty-one thousand, one hundred twenty-three".