1301338879261 has 8 divisors (see below), whose sum is σ = 1308428367840. Its totient is φ = 1294254277008.

The previous prime is 1301338879241. The next prime is 1301338879271. The reversal of 1301338879261 is 1629788331031.

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 1301338879261 - 2²⁵ = 1301305324829 is a prime.

It is a super-2 number, since 2×1301338879261² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301338879199 and 1301338879208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301338879231) 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, 686851 + ... + 1753408.

It is an arithmetic number, because the mean of its divisors is an integer number (163553545980).

Almost surely, 2^{1301338879261} is an apocalyptic number.

It is an amenable number.

1301338879261 is a deficient number, since it is larger than the sum of its proper divisors (7089488579).

1301338879261 is a wasteful number, since it uses less digits than its factorization.

1301338879261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443163.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 1301338879261 in words is "one trillion, three hundred one billion, three hundred thirty-eight million, eight hundred seventy-nine thousand, two hundred sixty-one".