104203121043 has 24 divisors (see below), whose sum is σ = 161877446400. Its totient is φ = 59450222160.

The previous prime is 104203121023. The next prime is 104203121047. The reversal of 104203121043 is 340121302401.

It is not a de Polignac number, because 104203121043 - 2¹³ = 104203112851 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (104203121047) 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 23 ways as a sum of consecutive naturals, for example, 468943 + ... + 654456.

It is an arithmetic number, because the mean of its divisors is an integer number (6744893600).

Almost surely, 2^104203121043 is an apocalyptic number.

104203121043 is a deficient number, since it is larger than the sum of its proper divisors (57674325357).

104203121043 is a wasteful number, since it uses less digits than its factorization.

104203121043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124047 (or 1124040 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 104203121043 its reverse (340121302401), we get a palindrome (444324423444).

The spelling of 104203121043 in words is "one hundred four billion, two hundred three million, one hundred twenty-one thousand, forty-three".