1265966941 has 8 divisors (see below), whose sum is σ = 1333844480. Its totient is φ = 1198214208.

The previous prime is 1265966927. The next prime is 1265966971. The reversal of 1265966941 is 1496695621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1265966941 - 2²⁵ = 1232412509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265966921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9996 + ... + 51301.

It is an arithmetic number, because the mean of its divisors is an integer number (166730560).

Almost surely, 2^1265966941 is an apocalyptic number.

It is an amenable number.

1265966941 is a deficient number, since it is larger than the sum of its proper divisors (67877539).

1265966941 is a wasteful number, since it uses less digits than its factorization.

1265966941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62403.

The product of its digits is 699840, while the sum is 49.

The square root of 1265966941 is about 35580.4291851574. The cubic root of 1265966941 is about 1081.7845841213.

The spelling of 1265966941 in words is "one billion, two hundred sixty-five million, nine hundred sixty-six thousand, nine hundred forty-one".