120421453433 has 4 divisors (see below), whose sum is σ = 120422284788. Its totient is φ = 120420622080.

The previous prime is 120421453429. The next prime is 120421453457. The reversal of 120421453433 is 334354124021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9507810064 + 110913643369 = 97508^2 + 333037^2 .

It is a cyclic number.

It is not a de Polignac number, because 120421453433 - 2² = 120421453429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120421453433.

It is not an unprimeable number, because it can be changed into a prime (120421453333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135416 + ... + 509097.

It is an arithmetic number, because the mean of its divisors is an integer number (30105571197).

Almost surely, 2^120421453433 is an apocalyptic number.

It is an amenable number.

120421453433 is a deficient number, since it is larger than the sum of its proper divisors (831355).

120421453433 is an equidigital number, since it uses as much as digits as its factorization.

120421453433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831354.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 120421453433 its reverse (334354124021), we get a palindrome (454775577454).

The spelling of 120421453433 in words is "one hundred twenty billion, four hundred twenty-one million, four hundred fifty-three thousand, four hundred thirty-three".