1305122601 has 8 divisors (see below), whose sum is σ = 1745012160. Its totient is φ = 867657392.

The previous prime is 1305122593. The next prime is 1305122629. The reversal of 1305122601 is 1062215031.

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 1305122601 - 2³ = 1305122593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1305122671) 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, 604830 + ... + 606983.

It is an arithmetic number, because the mean of its divisors is an integer number (218126520).

Almost surely, 2^1305122601 is an apocalyptic number.

It is an amenable number.

1305122601 is a deficient number, since it is larger than the sum of its proper divisors (439889559).

1305122601 is a wasteful number, since it uses less digits than its factorization.

1305122601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212175.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1305122601 is about 36126.4806063364. The cubic root of 1305122601 is about 1092.8245350871.

Adding to 1305122601 its reverse (1062215031), we get a palindrome (2367337632).

The spelling of 1305122601 in words is "one billion, three hundred five million, one hundred twenty-two thousand, six hundred one".