1226490117 has 4 divisors (see below), whose sum is σ = 1635320160. Its totient is φ = 817660076.

The previous prime is 1226490091. The next prime is 1226490121. The reversal of 1226490117 is 7110946221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7110946221 = 3 ⋅2370315407.

It is a cyclic number.

It is not a de Polignac number, because 1226490117 - 2⁸ = 1226489861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226491117) 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, 204415017 + ... + 204415022.

It is an arithmetic number, because the mean of its divisors is an integer number (408830040).

Almost surely, 2^1226490117 is an apocalyptic number.

It is an amenable number.

1226490117 is a deficient number, since it is larger than the sum of its proper divisors (408830043).

1226490117 is an equidigital number, since it uses as much as digits as its factorization.

1226490117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408830042.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1226490117 is about 35021.2809160373. The cubic root of 1226490117 is about 1070.4211568864.

The spelling of 1226490117 in words is "one billion, two hundred twenty-six million, four hundred ninety thousand, one hundred seventeen".