1226511106 has 8 divisors (see below), whose sum is σ = 1864969164. Its totient is φ = 604854720.

The previous prime is 1226511089. The next prime is 1226511109. The reversal of 1226511106 is 6011156221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1168614225 + 57896881 = 34185^2 + 7609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1226511109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4200235 + ... + 4200526.

Almost surely, 2^1226511106 is an apocalyptic number.

1226511106 is a deficient number, since it is larger than the sum of its proper divisors (638458058).

1226511106 is an equidigital number, since it uses as much as digits as its factorization.

1226511106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400836.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1226511106 is about 35021.5805754109. The cubic root of 1226511106 is about 1070.4272629123.

Adding to 1226511106 its reverse (6011156221), we get a palindrome (7237667327).

The spelling of 1226511106 in words is "one billion, two hundred twenty-six million, five hundred eleven thousand, one hundred six".