1005134450 has 12 divisors (see below), whose sum is σ = 1869550170. Its totient is φ = 402053760.

The previous prime is 1005134381. The next prime is 1005134479. The reversal of 1005134450 is 544315001.

It can be written as a sum of positive squares in 3 ways, for example, as 951537409 + 53597041 = 30847^2 + 7321^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10051295 + ... + 10051394.

Almost surely, 2^1005134450 is an apocalyptic number.

1005134450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005134450 is a deficient number, since it is larger than the sum of its proper divisors (864415720).

1005134450 is a wasteful number, since it uses less digits than its factorization.

1005134450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20102701 (or 20102696 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1005134450 is about 31703.8554437784. The cubic root of 1005134450 is about 1001.7085624850.

Adding to 1005134450 its reverse (544315001), we get a palindrome (1549449451).

The spelling of 1005134450 in words is "one billion, five million, one hundred thirty-four thousand, four hundred fifty".