121424503 has 8 divisors (see below), whose sum is σ = 122895920. Its totient is φ = 119957760.

The previous prime is 121424483. The next prime is 121424509. The reversal of 121424503 is 305424121.

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 121424503 - 2¹³ = 121416311 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 (121424509) 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, 103108 + ... + 104278.

It is an arithmetic number, because the mean of its divisors is an integer number (15361990).

Almost surely, 2^121424503 is an apocalyptic number.

121424503 is a deficient number, since it is larger than the sum of its proper divisors (1471417).

121424503 is a wasteful number, since it uses less digits than its factorization.

121424503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 121424503 is about 11019.2786969021. The cubic root of 121424503 is about 495.1864794113.

Adding to 121424503 its reverse (305424121), we get a palindrome (426848624).

The spelling of 121424503 in words is "one hundred twenty-one million, four hundred twenty-four thousand, five hundred three".