450410121 has 24 divisors (see below), whose sum is σ = 787273344. Its totient is φ = 242236800.

The previous prime is 450410117. The next prime is 450410141. The reversal of 450410121 is 121014054.

It is not a de Polignac number, because 450410121 - 2² = 450410117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 450410094 and 450410103.

It is not an unprimeable number, because it can be changed into a prime (450410141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209205 + ... + 211346.

It is an arithmetic number, because the mean of its divisors is an integer number (32803056).

Almost surely, 2^450410121 is an apocalyptic number.

It is an amenable number.

450410121 is a deficient number, since it is larger than the sum of its proper divisors (336863223).

450410121 is a wasteful number, since it uses less digits than its factorization.

450410121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420581 (or 420578 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 450410121 is about 21222.8678787764. The cubic root of 450410121 is about 766.5421614032.

Adding to 450410121 its reverse (121014054), we get a palindrome (571424175).

The spelling of 450410121 in words is "four hundred fifty million, four hundred ten thousand, one hundred twenty-one".