1279748229108 has 24 divisors (see below), whose sum is σ = 2986691615712. Its totient is φ = 426495255264.

The previous prime is 1279748229103. The next prime is 1279748229127. The reversal of 1279748229108 is 8019228479721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279748229101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10875010 + ... + 10992057.

It is an arithmetic number, because the mean of its divisors is an integer number (124445483988).

Almost surely, 2^{1279748229108} is an apocalyptic number.

It is an amenable number.

1279748229108 is an abundant number, since it is smaller than the sum of its proper divisors (1706943386604).

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

1279748229108 is a wasteful number, since it uses less digits than its factorization.

1279748229108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21871951 (or 21871949 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 60.

The spelling of 1279748229108 in words is "one trillion, two hundred seventy-nine billion, seven hundred forty-eight million, two hundred twenty-nine thousand, one hundred eight".