120435664453 has 4 divisors (see below), whose sum is σ = 129699946348. Its totient is φ = 111171382560.

The previous prime is 120435664411. The next prime is 120435664493. The reversal of 120435664453 is 354466534021.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10531480129 + 109904184324 = 102623^2 + 331518^2 .

It is a cyclic number.

It is not a de Polignac number, because 120435664453 - 2¹³ = 120435656261 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 (120435664493) 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, 4632140928 + ... + 4632140953.

It is an arithmetic number, because the mean of its divisors is an integer number (32424986587).

Almost surely, 2^120435664453 is an apocalyptic number.

120435664453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

120435664453 is a deficient number, since it is larger than the sum of its proper divisors (9264281895).

120435664453 is an equidigital number, since it uses as much as digits as its factorization.

120435664453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9264281894.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 120435664453 in words is "one hundred twenty billion, four hundred thirty-five million, six hundred sixty-four thousand, four hundred fifty-three".