1301266065 has 24 divisors (see below), whose sum is σ = 2288510784. Its totient is φ = 630916000.

The previous prime is 1301266007. The next prime is 1301266067. The reversal of 1301266065 is 5606621031.

It is not a de Polignac number, because 1301266065 - 2⁸ = 1301265809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1301266067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 356661 + ... + 360290.

It is an arithmetic number, because the mean of its divisors is an integer number (95354616).

Almost surely, 2^1301266065 is an apocalyptic number.

1301266065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1301266065 is a deficient number, since it is larger than the sum of its proper divisors (987244719).

1301266065 is a wasteful number, since it uses less digits than its factorization.

1301266065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716981 (or 716970 counting only the distinct ones).

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

The square root of 1301266065 is about 36073.0656446053. The cubic root of 1301266065 is about 1091.7470692162.

Adding to 1301266065 its reverse (5606621031), we get a palindrome (6907887096).

The spelling of 1301266065 in words is "one billion, three hundred one million, two hundred sixty-six thousand, sixty-five".