455947707121 has 3 divisors (see below), whose sum is σ = 455948382361. Its totient is φ = 455947031882.

The previous prime is 455947707091. The next prime is 455947707161. The reversal of 455947707121 is 121707749554.

The square root of 455947707121 is 675239.

It is a perfect power (a square), and thus also a powerful number.

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 is not a de Polignac number, because 455947707121 - 2⁹ = 455947706609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455947707161) 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 2 ways as a sum of consecutive naturals, for example, 337620 + ... + 1012858.

Almost surely, 2^455947707121 is an apocalyptic number.

455947707121 is the 675239-th square number.

455947707121 is the 337620-th centered octagonal number.

It is an amenable number.

455947707121 is a deficient number, since it is larger than the sum of its proper divisors (675240).

455947707121 is an frugal number, since it uses more digits than its factorization.

455947707121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350478 (or 675239 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 52.

The spelling of 455947707121 in words is "four hundred fifty-five billion, nine hundred forty-seven million, seven hundred seven thousand, one hundred twenty-one".