1301426305 has 16 divisors (see below), whose sum is σ = 1619097984. Its totient is φ = 1003496320.

The previous prime is 1301426303. The next prime is 1301426317. The reversal of 1301426305 is 5036241031.

It is not a de Polignac number, because 1301426305 - 2¹ = 1301426303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1301426305.

It is not an unprimeable number, because it can be changed into a prime (1301426303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21229 + ... + 55258.

It is an arithmetic number, because the mean of its divisors is an integer number (101193624).

Almost surely, 2^1301426305 is an apocalyptic number.

It is an amenable number.

1301426305 is a deficient number, since it is larger than the sum of its proper divisors (317671679).

1301426305 is an equidigital number, since it uses as much as digits as its factorization.

1301426305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76616.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1301426305 is about 36075.2866239480. The cubic root of 1301426305 is about 1091.7918805413.

Adding to 1301426305 its reverse (5036241031), we get a palindrome (6337667336).

The spelling of 1301426305 in words is "one billion, three hundred one million, four hundred twenty-six thousand, three hundred five".