450404121 has 8 divisors (see below), whose sum is σ = 600771040. Its totient is φ = 300153312.

The previous prime is 450404117. The next prime is 450404131. The reversal of 450404121 is 121404054.

It is a happy number.

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

It is not a de Polignac number, because 450404121 - 2² = 450404117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450404131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19531 + ... + 35808.

It is an arithmetic number, because the mean of its divisors is an integer number (75096380).

Almost surely, 2^450404121 is an apocalyptic number.

It is an amenable number.

450404121 is a deficient number, since it is larger than the sum of its proper divisors (150366919).

450404121 is a wasteful number, since it uses less digits than its factorization.

450404121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58055.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 450404121 is about 21222.7265213497. The cubic root of 450404121 is about 766.5387576361.

Adding to 450404121 its reverse (121404054), we get a palindrome (571808175).

The spelling of 450404121 in words is "four hundred fifty million, four hundred four thousand, one hundred twenty-one".