1026330505 has 16 divisors (see below), whose sum is σ = 1297598400. Its totient is φ = 777142080.

The previous prime is 1026330497. The next prime is 1026330521. The reversal of 1026330505 is 5050336201.

It is a happy number.

It is not a de Polignac number, because 1026330505 - 2³ = 1026330497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1026330505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115315 + ... + 123895.

It is an arithmetic number, because the mean of its divisors is an integer number (81099900).

Almost surely, 2^1026330505 is an apocalyptic number.

It is an amenable number.

1026330505 is a deficient number, since it is larger than the sum of its proper divisors (271267895).

1026330505 is a wasteful number, since it uses less digits than its factorization.

1026330505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9864.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1026330505 is about 32036.3934455800. The cubic root of 1026330505 is about 1008.7009096022.

Adding to 1026330505 its reverse (5050336201), we get a palindrome (6076666706).

The spelling of 1026330505 in words is "one billion, twenty-six million, three hundred thirty thousand, five hundred five".