1228650383 has 2 divisors, whose sum is σ = 1228650384. Its totient is φ = 1228650382.

The previous prime is 1228650377. The next prime is 1228650421. The reversal of 1228650383 is 3830568221.

It is an a-pointer prime, because the next prime (1228650421) can be obtained adding 1228650383 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1228650383 - 2⁸ = 1228650127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228650323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614325191 + 614325192.

It is an arithmetic number, because the mean of its divisors is an integer number (614325192).

Almost surely, 2^1228650383 is an apocalyptic number.

1228650383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228650383 is an equidigital number, since it uses as much as digits as its factorization.

1228650383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1228650383 is about 35052.1095370878. The cubic root of 1228650383 is about 1071.0492467743.

The spelling of 1228650383 in words is "one billion, two hundred twenty-eight million, six hundred fifty thousand, three hundred eighty-three".