450551121 has 8 divisors (see below), whose sum is σ = 600842880. Its totient is φ = 300313392.

The previous prime is 450551113. The next prime is 450551131. The reversal of 450551121 is 121155054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 450551121 - 2³ = 450551113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 450551091 and 450551100.

It is not an unprimeable number, because it can be changed into a prime (450551131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13896 + ... + 33078.

It is an arithmetic number, because the mean of its divisors is an integer number (75105360).

Almost surely, 2^450551121 is an apocalyptic number.

It is an amenable number.

450551121 is a deficient number, since it is larger than the sum of its proper divisors (150291759).

450551121 is a wasteful number, since it uses less digits than its factorization.

450551121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27015.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 450551121 is about 21226.1895073044. The cubic root of 450551121 is about 766.6221412285.

The spelling of 450551121 in words is "four hundred fifty million, five hundred fifty-one thousand, one hundred twenty-one".