121104305 has 16 divisors (see below), whose sum is σ = 167151360. Its totient is φ = 82510272.

The previous prime is 121104287. The next prime is 121104307. The reversal of 121104305 is 503401121.

It is a cyclic number.

It is not a de Polignac number, because 121104305 - 2⁶ = 121104241 is a prime.

It is a super-3 number, since 3×121104305³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121104307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5525 + ... + 16514.

It is an arithmetic number, because the mean of its divisors is an integer number (10446960).

Almost surely, 2^121104305 is an apocalyptic number.

It is an amenable number.

121104305 is a deficient number, since it is larger than the sum of its proper divisors (46047055).

121104305 is a wasteful number, since it uses less digits than its factorization.

121104305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22208.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 121104305 is about 11004.7401150595. The cubic root of 121104305 is about 494.7508251738.

Adding to 121104305 its reverse (503401121), we get a palindrome (624505426).

The spelling of 121104305 in words is "one hundred twenty-one million, one hundred four thousand, three hundred five".