121304111 has 8 divisors (see below), whose sum is σ = 122661504. Its totient is φ = 119954520.

The previous prime is 121304101. The next prime is 121304123. The reversal of 121304111 is 111403121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121304111 - 2²⁶ = 54195247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121304101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32630 + ... + 36156.

It is an arithmetic number, because the mean of its divisors is an integer number (15332688).

Almost surely, 2^121304111 is an apocalyptic number.

121304111 is a deficient number, since it is larger than the sum of its proper divisors (1357393).

121304111 is a wasteful number, since it uses less digits than its factorization.

121304111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 121304111 is about 11013.8145526425. The cubic root of 121304111 is about 495.0227666977.

Adding to 121304111 its reverse (111403121), we get a palindrome (232707232).

The spelling of 121304111 in words is "one hundred twenty-one million, three hundred four thousand, one hundred eleven".