104020130121 has 8 divisors (see below), whose sum is σ = 138734785824. Its totient is φ = 69326113920.

The previous prime is 104020130113. The next prime is 104020130141. The reversal of 104020130121 is 121031020401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104020130121 - 2³ = 104020130113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104020130121.

It is not an unprimeable number, because it can be changed into a prime (104020130141) 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, 5148111 + ... + 5168276.

It is an arithmetic number, because the mean of its divisors is an integer number (17341848228).

Almost surely, 2^104020130121 is an apocalyptic number.

It is an amenable number.

104020130121 is a deficient number, since it is larger than the sum of its proper divisors (34714655703).

104020130121 is a wasteful number, since it uses less digits than its factorization.

104020130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10319751.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 104020130121 its reverse (121031020401), we get a palindrome (225051150522).

The spelling of 104020130121 in words is "one hundred four billion, twenty million, one hundred thirty thousand, one hundred twenty-one".