1305630104261 has 8 divisors (see below), whose sum is σ = 1516610145024. Its totient is φ = 1100765427120.

The previous prime is 1305630104243. The next prime is 1305630104267. The reversal of 1305630104261 is 1624010365031.

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 1305630104261 - 2¹⁴ = 1305630087877 is a prime.

It is a super-2 number, since 2×1305630104261² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305630104267) 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, 1528840445 + ... + 1528841298.

It is an arithmetic number, because the mean of its divisors is an integer number (189576268128).

Almost surely, 2^{1305630104261} is an apocalyptic number.

It is an amenable number.

1305630104261 is a deficient number, since it is larger than the sum of its proper divisors (210980040763).

1305630104261 is an equidigital number, since it uses as much as digits as its factorization.

1305630104261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057681811.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 1305630104261 its reverse (1624010365031), we get a palindrome (2929640469292).

The spelling of 1305630104261 in words is "one trillion, three hundred five billion, six hundred thirty million, one hundred four thousand, two hundred sixty-one".