1226512264 has 16 divisors (see below), whose sum is σ = 2300101020. Its totient is φ = 613152000.

The previous prime is 1226512229. The next prime is 1226512271. The reversal of 1226512264 is 4622156221.

It can be written as a sum of positive squares in 2 ways, for example, as 1104232900 + 122279364 = 33230^2 + 11058^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63492 + ... + 80524.

Almost surely, 2^1226512264 is an apocalyptic number.

It is an amenable number.

1226512264 is a deficient number, since it is larger than the sum of its proper divisors (1073588756).

1226512264 is a wasteful number, since it uses less digits than its factorization.

1226512264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26040 (or 26036 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 1226512264 is about 35021.5971080703. The cubic root of 1226512264 is about 1070.4275997905.

Adding to 1226512264 its reverse (4622156221), we get a palindrome (5848668485).

The spelling of 1226512264 in words is "one billion, two hundred twenty-six million, five hundred twelve thousand, two hundred sixty-four".