1020450005 has 8 divisors (see below), whose sum is σ = 1288989600. Its totient is φ = 773393616.

The previous prime is 1020449987. The next prime is 1020450019. The reversal of 1020450005 is 5000540201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020450005 - 2¹⁴ = 1020433621 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 5370695 + ... + 5370884.

It is an arithmetic number, because the mean of its divisors is an integer number (161123700).

Almost surely, 2^1020450005 is an apocalyptic number.

It is an amenable number.

1020450005 is a deficient number, since it is larger than the sum of its proper divisors (268539595).

1020450005 is a wasteful number, since it uses less digits than its factorization.

1020450005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10741603.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 1020450005 is about 31944.4831700248. The cubic root of 1020450005 is about 1006.7707221917.

Adding to 1020450005 its reverse (5000540201), we get a palindrome (6020990206).

The spelling of 1020450005 in words is "one billion, twenty million, four hundred fifty thousand, five".