120844128128 has 32 divisors (see below), whose sum is σ = 241344623520. Its totient is φ = 60271360000.

The previous prime is 120844128103. The next prime is 120844128131. The reversal of 120844128128 is 821821448021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125848 + ... + 1228503.

It is an arithmetic number, because the mean of its divisors is an integer number (7542019485).

Almost surely, 2^120844128128 is an apocalyptic number.

It is an amenable number.

120844128128 is a deficient number, since it is larger than the sum of its proper divisors (120500495392).

120844128128 is an equidigital number, since it uses as much as digits as its factorization.

120844128128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354766 (or 2354754 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 41.

The spelling of 120844128128 in words is "one hundred twenty billion, eight hundred forty-four million, one hundred twenty-eight thousand, one hundred twenty-eight".