1296631144123 has 8 divisors (see below), whose sum is σ = 1481875515648. Its totient is φ = 1111389610344.

The previous prime is 1296631144117. The next prime is 1296631144141. The reversal of 1296631144123 is 3214411366921.

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 1296631144123 - 2⁹ = 1296631143611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1296631144123.

It is not an unprimeable number, because it can be changed into a prime (1296631144183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381540 + ... + 1654942.

It is an arithmetic number, because the mean of its divisors is an integer number (185234439456).

Almost surely, 2^{1296631144123} is an apocalyptic number.

1296631144123 is a deficient number, since it is larger than the sum of its proper divisors (185244371525).

1296631144123 is a wasteful number, since it uses less digits than its factorization.

1296631144123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418873.

The product of its digits is 186624, while the sum is 43.

The spelling of 1296631144123 in words is "one trillion, two hundred ninety-six billion, six hundred thirty-one million, one hundred forty-four thousand, one hundred twenty-three".