1301305056 has 24 divisors (see below), whose sum is σ = 3415926024. Its totient is φ = 433768320.

The previous prime is 1301305039. The next prime is 1301305067. The reversal of 1301305056 is 6505031031.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6777535 + ... + 6777726.

It is an arithmetic number, because the mean of its divisors is an integer number (142330251).

Almost surely, 2^1301305056 is an apocalyptic number.

1301305056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1301305056 is an abundant number, since it is smaller than the sum of its proper divisors (2114620968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301305056 is a wasteful number, since it uses less digits than its factorization.

1301305056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13555274 (or 13555266 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 1301305056 is about 36073.6060853361. The cubic root of 1301305056 is about 1091.7579734389.

Adding to 1301305056 its reverse (6505031031), we get a palindrome (7806336087).

The spelling of 1301305056 in words is "one billion, three hundred one million, three hundred five thousand, fifty-six".