104121300121 has 4 divisors (see below), whose sum is σ = 104122027044. Its totient is φ = 104120573200.

The previous prime is 104121300109. The next prime is 104121300133. The reversal of 104121300121 is 121003121401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (104121300109) and next prime (104121300133).

It can be written as a sum of positive squares in 2 ways, for example, as 44066406400 + 60054893721 = 209920^2 + 245061^2 .

It is a cyclic number.

It is not a de Polignac number, because 104121300121 - 2²⁷ = 103987082393 is a prime.

It is a super-2 number, since 2×104121300121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104121300095 and 104121300104.

It is not an unprimeable number, because it can be changed into a prime (104121300181) 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 3 ways as a sum of consecutive naturals, for example, 69190 + ... + 461551.

It is an arithmetic number, because the mean of its divisors is an integer number (26030506761).

Almost surely, 2^104121300121 is an apocalyptic number.

It is an amenable number.

104121300121 is a deficient number, since it is larger than the sum of its proper divisors (726923).

104121300121 is an equidigital number, since it uses as much as digits as its factorization.

104121300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726922.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 104121300121 its reverse (121003121401), we get a palindrome (225124421522).

The spelling of 104121300121 in words is "one hundred four billion, one hundred twenty-one million, three hundred thousand, one hundred twenty-one".