1206520226 has 16 divisors (see below), whose sum is σ = 1918810296. Its totient is φ = 567012096.

The previous prime is 1206520219. The next prime is 1206520333. The reversal of 1206520226 is 6220256021.

It is a Cunningham number, because it is equal to 34735²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 939361201 + 267159025 = 30649^2 + 16345^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1206520195 and 1206520204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2300 + ... + 49176.

Almost surely, 2^1206520226 is an apocalyptic number.

1206520226 is a deficient number, since it is larger than the sum of its proper divisors (712290070).

1206520226 is a wasteful number, since it uses less digits than its factorization.

1206520226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47653.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1206520226 is about 34735.0000143947. Note that the first 4 decimals coincide. The cubic root of 1206520226 is about 1064.5797532276.

Adding to 1206520226 its reverse (6220256021), we get a palindrome (7426776247).

The spelling of 1206520226 in words is "one billion, two hundred six million, five hundred twenty thousand, two hundred twenty-six".