121041424 has 40 divisors (see below), whose sum is σ = 271054080. Its totient is φ = 51287808.

The previous prime is 121041413. The next prime is 121041443. The reversal of 121041424 is 424140121.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3897 + ... + 16039.

It is an arithmetic number, because the mean of its divisors is an integer number (6776352).

Almost surely, 2^121041424 is an apocalyptic number.

121041424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121041424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135527040).

121041424 is an abundant number, since it is smaller than the sum of its proper divisors (150012656).

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

121041424 is a wasteful number, since it uses less digits than its factorization.

121041424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12247 (or 12241 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 121041424 is about 11001.8827479664. The cubic root of 121041424 is about 494.6651805094.

Adding to 121041424 its reverse (424140121), we get a palindrome (545181545).

The spelling of 121041424 in words is "one hundred twenty-one million, forty-one thousand, four hundred twenty-four".