1301155005 has 16 divisors (see below), whose sum is σ = 2098243584. Its totient is φ = 688484160.

The previous prime is 1301155001. The next prime is 1301155007. The reversal of 1301155005 is 5005511031.

It is not a de Polignac number, because 1301155005 - 2² = 1301155001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301155001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339606 + ... + 343415.

It is an arithmetic number, because the mean of its divisors is an integer number (131140224).

Almost surely, 2^1301155005 is an apocalyptic number.

1301155005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1301155005 is a deficient number, since it is larger than the sum of its proper divisors (797088579).

1301155005 is a wasteful number, since it uses less digits than its factorization.

1301155005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683156.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 1301155005 is about 36071.5262360771. The cubic root of 1301155005 is about 1091.7160089838.

Adding to 1301155005 its reverse (5005511031), we get a palindrome (6306666036).

The spelling of 1301155005 in words is "one billion, three hundred one million, one hundred fifty-five thousand, five".