450120001 has 4 divisors (see below), whose sum is σ = 460587952. Its totient is φ = 439652052.

The previous prime is 450119993. The next prime is 450120053. The reversal of 450120001 is 100021054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 450120001 - 2³ = 450119993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450120301) 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, 5233911 + ... + 5233996.

It is an arithmetic number, because the mean of its divisors is an integer number (115146988).

Almost surely, 2^450120001 is an apocalyptic number.

It is an amenable number.

450120001 is a deficient number, since it is larger than the sum of its proper divisors (10467951).

450120001 is a wasteful number, since it uses less digits than its factorization.

450120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10467950.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 450120001 is about 21216.0316977516. The cubic root of 450120001 is about 766.3775433012.

Adding to 450120001 its reverse (100021054), we get a palindrome (550141055).

The spelling of 450120001 in words is "four hundred fifty million, one hundred twenty thousand, one".