1301540555 has 16 divisors (see below), whose sum is σ = 1826482944. Its totient is φ = 871728480.

The previous prime is 1301540543. The next prime is 1301540609. The reversal of 1301540555 is 5550451031.

It is not a de Polignac number, because 1301540555 - 2¹⁸ = 1301278411 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430901 + ... + 433910.

It is an arithmetic number, because the mean of its divisors is an integer number (114155184).

Almost surely, 2^1301540555 is an apocalyptic number.

1301540555 is a deficient number, since it is larger than the sum of its proper divisors (524942389).

1301540555 is an equidigital number, since it uses as much as digits as its factorization.

1301540555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864866.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 1301540555 is about 36076.8700831987. The cubic root of 1301540555 is about 1091.8238284566.

Adding to 1301540555 its reverse (5550451031), we get a palindrome (6851991586).

The spelling of 1301540555 in words is "one billion, three hundred one million, five hundred forty thousand, five hundred fifty-five".