103404121 has 4 divisors (see below), whose sum is σ = 105808912. Its totient is φ = 100999332.

The previous prime is 103404107. The next prime is 103404131. The reversal of 103404121 is 121404301.

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 a cyclic number.

It is not a de Polignac number, because 103404121 - 2¹⁵ = 103371353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103404095 and 103404104.

It is not an unprimeable number, because it can be changed into a prime (103404131) 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, 1202331 + ... + 1202416.

It is an arithmetic number, because the mean of its divisors is an integer number (26452228).

Almost surely, 2^103404121 is an apocalyptic number.

It is an amenable number.

103404121 is a deficient number, since it is larger than the sum of its proper divisors (2404791).

103404121 is an equidigital number, since it uses as much as digits as its factorization.

103404121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404790.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 103404121 is about 10168.7816871049. The cubic root of 103404121 is about 469.3670686655.

Adding to 103404121 its reverse (121404301), we get a palindrome (224808422).

The spelling of 103404121 in words is "one hundred three million, four hundred four thousand, one hundred twenty-one".