121103124 has 12 divisors (see below), whose sum is σ = 282573984. Its totient is φ = 40367704.

The previous prime is 121103123. The next prime is 121103153. The reversal of 121103124 is 421301121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5045952 + ... + 5045975.

It is an arithmetic number, because the mean of its divisors is an integer number (23547832).

Almost surely, 2^121103124 is an apocalyptic number.

It is an amenable number.

121103124 is an abundant number, since it is smaller than the sum of its proper divisors (161470860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121103124 is a wasteful number, since it uses less digits than its factorization.

121103124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091934 (or 10091932 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 121103124 is about 11004.6864562331. The cubic root of 121103124 is about 494.7492169111.

Adding to 121103124 its reverse (421301121), we get a palindrome (542404245).

The spelling of 121103124 in words is "one hundred twenty-one million, one hundred three thousand, one hundred twenty-four".