120104121 has 4 divisors (see below), whose sum is σ = 160138832. Its totient is φ = 80069412.

The previous prime is 120104081. The next prime is 120104123. The reversal of 120104121 is 121401021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 120104121 - 2⁹ = 120103609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120104097 and 120104106.

It is not an unprimeable number, because it can be changed into a prime (120104123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20017351 + ... + 20017356.

It is an arithmetic number, because the mean of its divisors is an integer number (40034708).

Almost surely, 2^120104121 is an apocalyptic number.

It is an amenable number.

120104121 is a deficient number, since it is larger than the sum of its proper divisors (40034711).

120104121 is an equidigital number, since it uses as much as digits as its factorization.

120104121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40034710.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 120104121 is about 10959.2025713553. The cubic root of 120104121 is about 493.3850316631.

Adding to 120104121 its reverse (121401021), we get a palindrome (241505142).

The spelling of 120104121 in words is "one hundred twenty million, one hundred four thousand, one hundred twenty-one".