104251200123 has 16 divisors (see below), whose sum is σ = 158866462976. Its totient is φ = 59569305120.

The previous prime is 104251200113. The next prime is 104251200143. The reversal of 104251200123 is 321002152401.

It is not a de Polignac number, because 104251200123 - 2⁴ = 104251200107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 104251200123.

It is not an unprimeable number, because it can be changed into a prime (104251200113) by changing a digit.

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, 389940 + ... + 600462.

It is an arithmetic number, because the mean of its divisors is an integer number (9929153936).

Almost surely, 2^104251200123 is an apocalyptic number.

104251200123 is a deficient number, since it is larger than the sum of its proper divisors (54615262853).

104251200123 is a wasteful number, since it uses less digits than its factorization.

104251200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234114.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 104251200123 its reverse (321002152401), we get a palindrome (425253352524).

The spelling of 104251200123 in words is "one hundred four billion, two hundred fifty-one million, two hundred thousand, one hundred twenty-three".