1226361103 has 4 divisors (see below), whose sum is σ = 1337848488. Its totient is φ = 1114873720.

The previous prime is 1226361053. The next prime is 1226361119. The reversal of 1226361103 is 3011636221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1226361103 - 2⁹ = 1226360591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226361163) by changing a digit.

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, 55743676 + ... + 55743697.

It is an arithmetic number, because the mean of its divisors is an integer number (334462122).

Almost surely, 2^1226361103 is an apocalyptic number.

1226361103 is a deficient number, since it is larger than the sum of its proper divisors (111487385).

1226361103 is a wasteful number, since it uses less digits than its factorization.

1226361103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111487384.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1226361103 is about 35019.4389303998. The cubic root of 1226361103 is about 1070.3836231806.

Adding to 1226361103 its reverse (3011636221), we get a palindrome (4237997324).

The spelling of 1226361103 in words is "one billion, two hundred twenty-six million, three hundred sixty-one thousand, one hundred three".