1329172855124 has 48 divisors (see below), whose sum is σ = 2339726188800. Its totient is φ = 660695616000.

The previous prime is 1329172855079. The next prime is 1329172855187. The reversal of 1329172855124 is 4215582719231.

It is a congruent number.

It is an unprimeable number.

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, 930141242 + ... + 930142670.

It is an arithmetic number, because the mean of its divisors is an integer number (48744295600).

Almost surely, 2^{1329172855124} is an apocalyptic number.

It is an amenable number.

1329172855124 is a deficient number, since it is larger than the sum of its proper divisors (1010553333676).

1329172855124 is a wasteful number, since it uses less digits than its factorization.

1329172855124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384 (or 3382 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 50.

The spelling of 1329172855124 in words is "one trillion, three hundred twenty-nine billion, one hundred seventy-two million, eight hundred fifty-five thousand, one hundred twenty-four".