1301343121 has 8 divisors (see below), whose sum is σ = 1409191784. Its totient is φ = 1194600960.

The previous prime is 1301343107. The next prime is 1301343161. The reversal of 1301343121 is 1213431031.

It can be written as a sum of positive squares in 4 ways, for example, as 731025 + 1300612096 = 855^2 + 36064^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1301343121 - 2²⁵ = 1267788689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1301343101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274176 + ... + 278881.

It is an arithmetic number, because the mean of its divisors is an integer number (176148973).

Almost surely, 2^1301343121 is an apocalyptic number.

It is an amenable number.

1301343121 is a deficient number, since it is larger than the sum of its proper divisors (107848663).

1301343121 is a wasteful number, since it uses less digits than its factorization.

1301343121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553251.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1301343121 is about 36074.1336832917. The cubic root of 1301343121 is about 1091.7686184863.

Adding to 1301343121 its reverse (1213431031), we get a palindrome (2514774152).

The spelling of 1301343121 in words is "one billion, three hundred one million, three hundred forty-three thousand, one hundred twenty-one".