1301662065 has 32 divisors (see below), whose sum is σ = 2300774400. Its totient is φ = 623113920.

The previous prime is 1301662049. The next prime is 1301662079. The reversal of 1301662065 is 5602661031.

It is not a de Polignac number, because 1301662065 - 2⁴ = 1301662049 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36895 + ... + 62964.

It is an arithmetic number, because the mean of its divisors is an integer number (71899200).

Almost surely, 2^1301662065 is an apocalyptic number.

1301662065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1301662065 is a deficient number, since it is larger than the sum of its proper divisors (999112335).

1301662065 is a wasteful number, since it uses less digits than its factorization.

1301662065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99957.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1301662065 is about 36078.5540868810. The cubic root of 1301662065 is about 1091.8578044462.

It can be divided in two parts, 130166 and 2065, that added together give a palindrome (132231).

The spelling of 1301662065 in words is "one billion, three hundred one million, six hundred sixty-two thousand, sixty-five".