1026227605 has 16 divisors (see below), whose sum is σ = 1351229040. Its totient is φ = 743528448.

The previous prime is 1026227603. The next prime is 1026227633. The reversal of 1026227605 is 5067226201.

It can be written as a sum of positive squares in 8 ways, for example, as 1779556 + 1024448049 = 1334^2 + 32007^2 .

It is not a de Polignac number, because 1026227605 - 2¹ = 1026227603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026227603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145500 + ... + 152389.

It is an arithmetic number, because the mean of its divisors is an integer number (84451815).

Almost surely, 2^1026227605 is an apocalyptic number.

It is an amenable number.

1026227605 is a deficient number, since it is larger than the sum of its proper divisors (325001435).

1026227605 is a wasteful number, since it uses less digits than its factorization.

1026227605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297960.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1026227605 is about 32034.7874193040. The cubic root of 1026227605 is about 1008.6671976572.

The spelling of 1026227605 in words is "one billion, twenty-six million, two hundred twenty-seven thousand, six hundred five".