1301563266 has 16 divisors (see below), whose sum is σ = 2629964064. Its totient is φ = 429381504.

The previous prime is 1301563201. The next prime is 1301563271. The reversal of 1301563266 is 6623651031.

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 7 ways as a sum of consecutive naturals, for example, 1117600 + ... + 1118763.

It is an arithmetic number, because the mean of its divisors is an integer number (164372754).

Almost surely, 2^1301563266 is an apocalyptic number.

1301563266 is an abundant number, since it is smaller than the sum of its proper divisors (1328400798).

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

1301563266 is a wasteful number, since it uses less digits than its factorization.

1301563266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236465.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 1301563266 is about 36077.1848402838. The cubic root of 1301563266 is about 1091.8301789482.

The spelling of 1301563266 in words is "one billion, three hundred one million, five hundred sixty-three thousand, two hundred sixty-six".