104025121 has 4 divisors (see below), whose sum is σ = 104087700. Its totient is φ = 103962544.

The previous prime is 104025107. The next prime is 104025137. The reversal of 104025121 is 121520401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121520401 = 1039 ⋅116959.

It can be written as a sum of positive squares in 2 ways, for example, as 47610000 + 56415121 = 6900^2 + 7511^2 .

It is a cyclic number.

It is not a de Polignac number, because 104025121 - 2⁷ = 104024993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104025095 and 104025104.

It is not an unprimeable number, because it can be changed into a prime (104025101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28726 + ... + 32143.

It is an arithmetic number, because the mean of its divisors is an integer number (26021925).

Almost surely, 2^104025121 is an apocalyptic number.

It is an amenable number.

104025121 is a deficient number, since it is larger than the sum of its proper divisors (62579).

104025121 is an equidigital number, since it uses as much as digits as its factorization.

104025121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62578.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 104025121 is about 10199.2706111761. The cubic root of 104025121 is about 470.3047985207.

Adding to 104025121 its reverse (121520401), we get a palindrome (225545522).

The spelling of 104025121 in words is "one hundred four million, twenty-five thousand, one hundred twenty-one".