102120044123 has 8 divisors (see below), whose sum is σ = 108159743520. Its totient is φ = 96083971200.

The previous prime is 102120044119. The next prime is 102120044167. The reversal of 102120044123 is 321440021201.

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 102120044123 - 2² = 102120044119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102120044095 and 102120044104.

It is not an unprimeable number, because it can be changed into a prime (102120046123) 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, 848528 + ... + 961373.

It is an arithmetic number, because the mean of its divisors is an integer number (13519967940).

Almost surely, 2^102120044123 is an apocalyptic number.

102120044123 is a deficient number, since it is larger than the sum of its proper divisors (6039699397).

102120044123 is a wasteful number, since it uses less digits than its factorization.

102120044123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813237.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102120044123 its reverse (321440021201), we get a palindrome (423560065324).

The spelling of 102120044123 in words is "one hundred two billion, one hundred twenty million, forty-four thousand, one hundred twenty-three".