1226342407 has 2 divisors, whose sum is σ = 1226342408. Its totient is φ = 1226342406.

The previous prime is 1226342387. The next prime is 1226342443. The reversal of 1226342407 is 7042436221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7042436221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1226342407 - 2²⁷ = 1092124679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226342207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613171203 + 613171204.

It is an arithmetic number, because the mean of its divisors is an integer number (613171204).

Almost surely, 2^1226342407 is an apocalyptic number.

1226342407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226342407 is an equidigital number, since it uses as much as digits as its factorization.

1226342407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 1226342407 is about 35019.1719919247. The cubic root of 1226342407 is about 1070.3781837838.

Adding to 1226342407 its reverse (7042436221), we get a palindrome (8268778628).

The spelling of 1226342407 in words is "one billion, two hundred twenty-six million, three hundred forty-two thousand, four hundred seven".