120421424803 has 2 divisors, whose sum is σ = 120421424804. Its totient is φ = 120421424802.

The previous prime is 120421424801. The next prime is 120421424863. The reversal of 120421424803 is 308424124021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120421424803 - 2¹ = 120421424801 is a prime.

Together with 120421424801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120421424801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60210712401 + 60210712402.

It is an arithmetic number, because the mean of its divisors is an integer number (60210712402).

Almost surely, 2^120421424803 is an apocalyptic number.

120421424803 is a deficient number, since it is larger than the sum of its proper divisors (1).

120421424803 is an equidigital number, since it uses as much as digits as its factorization.

120421424803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 120421424803 its reverse (308424124021), we get a palindrome (428845548824).

The spelling of 120421424803 in words is "one hundred twenty billion, four hundred twenty-one million, four hundred twenty-four thousand, eight hundred three".