121241241424 has 20 divisors (see below), whose sum is σ = 235011603136. Its totient is φ = 60593085792.

The previous prime is 121241241413. The next prime is 121241241437. The reversal of 121241241424 is 424142142121.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 121241241392 and 121241241401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684584 + ... + 1755079.

Almost surely, 2^121241241424 is an apocalyptic number.

It is an amenable number.

121241241424 is a deficient number, since it is larger than the sum of its proper divisors (113770361712).

121241241424 is a wasteful number, since it uses less digits than its factorization.

121241241424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441874 (or 3441868 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

Adding to 121241241424 its reverse (424142142121), we get a palindrome (545383383545).

The spelling of 121241241424 in words is "one hundred twenty-one billion, two hundred forty-one million, two hundred forty-one thousand, four hundred twenty-four".