121424203003 has 4 divisors (see below), whose sum is σ = 122351105448. Its totient is φ = 120497300560.

The previous prime is 121424202989. The next prime is 121424203073. The reversal of 121424203003 is 300302424121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121424203003 - 2⁹ = 121424202491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121424203073) 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, 463451026 + ... + 463451287.

It is an arithmetic number, because the mean of its divisors is an integer number (30587776362).

Almost surely, 2^121424203003 is an apocalyptic number.

121424203003 is a deficient number, since it is larger than the sum of its proper divisors (926902445).

121424203003 is an equidigital number, since it uses as much as digits as its factorization.

121424203003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926902444.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 121424203003 its reverse (300302424121), we get a palindrome (421726627124).

The spelling of 121424203003 in words is "one hundred twenty-one billion, four hundred twenty-four million, two hundred three thousand, three".