121104404 has 24 divisors (see below), whose sum is σ = 229121760. Its totient is φ = 55813536.

The previous prime is 121104359. The next prime is 121104409. The reversal of 121104404 is 404401121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121104409) 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, 18722 + ... + 24345.

It is an arithmetic number, because the mean of its divisors is an integer number (9546740).

Almost surely, 2^121104404 is an apocalyptic number.

It is an amenable number.

121104404 is a deficient number, since it is larger than the sum of its proper divisors (108017356).

121104404 is a wasteful number, since it uses less digits than its factorization.

121104404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43127 (or 43125 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 121104404 is about 11004.7446131203. The cubic root of 121104404 is about 494.7509599896.

Adding to 121104404 its reverse (404401121), we get a palindrome (525505525).

The spelling of 121104404 in words is "one hundred twenty-one million, one hundred four thousand, four hundred four".