1310720005 has 32 divisors (see below), whose sum is σ = 1850192640. Its totient is φ = 872570880.

The previous prime is 1310720003. The next prime is 1310720017. The reversal of 1310720005 is 5000270131.

It is not a de Polignac number, because 1310720005 - 2¹ = 1310720003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310720003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 829306 + ... + 830884.

It is an arithmetic number, because the mean of its divisors is an integer number (57818520).

Almost surely, 2^1310720005 is an apocalyptic number.

It is an amenable number.

1310720005 is a deficient number, since it is larger than the sum of its proper divisors (539472635).

1310720005 is a wasteful number, since it uses less digits than its factorization.

1310720005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1310720005 is about 36203.8672658046. The cubic root of 1310720005 is about 1094.3846072647.

Adding to 1310720005 its reverse (5000270131), we get a palindrome (6310990136).

It can be divided in two parts, 131072000 and 5, that multiplied together give a 4-th power (655360000 = 160⁴).

The spelling of 1310720005 in words is "one billion, three hundred ten million, seven hundred twenty thousand, five".