1264679241267 has 16 divisors (see below), whose sum is σ = 1874528703488. Its totient is φ = 753158852640.

The previous prime is 1264679241263. The next prime is 1264679241277. The reversal of 1264679241267 is 7621429764621.

It is not a de Polignac number, because 1264679241267 - 2² = 1264679241263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1264679241263) 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 15 ways as a sum of consecutive naturals, for example, 523025773 + ... + 523028190.

It is an arithmetic number, because the mean of its divisors is an integer number (117158043968).

Almost surely, 2^{1264679241267} is an apocalyptic number.

1264679241267 is a deficient number, since it is larger than the sum of its proper divisors (609849462221).

1264679241267 is a wasteful number, since it uses less digits than its factorization.

1264679241267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046054010.

The product of its digits is 12192768, while the sum is 57.

The spelling of 1264679241267 in words is "one trillion, two hundred sixty-four billion, six hundred seventy-nine million, two hundred forty-one thousand, two hundred sixty-seven".