1226103406 has 24 divisors (see below), whose sum is σ = 2030035392. Its totient is φ = 554980800.

The previous prime is 1226103397. The next prime is 1226103409. The reversal of 1226103406 is 6043016221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226103409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47811 + ... + 68833.

It is an arithmetic number, because the mean of its divisors is an integer number (84584808).

Almost surely, 2^1226103406 is an apocalyptic number.

1226103406 is a deficient number, since it is larger than the sum of its proper divisors (803931986).

1226103406 is a wasteful number, since it uses less digits than its factorization.

1226103406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21288 (or 21277 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1226103406 is about 35015.7593948782. The cubic root of 1226103406 is about 1070.3086441849.

Adding to 1226103406 its reverse (6043016221), we get a palindrome (7269119627).

The spelling of 1226103406 in words is "one billion, two hundred twenty-six million, one hundred three thousand, four hundred six".