1228704203667 has 8 divisors (see below), whose sum is σ = 1640477217024. Its totient is φ = 818033663048.

The previous prime is 1228704203653. The next prime is 1228704203687. The reversal of 1228704203667 is 7663024078221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1228704203667 - 2¹⁰ = 1228704202643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1228704203647) 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 in 7 ways as a sum of consecutive naturals, for example, 275615583 + ... + 275620040.

It is an arithmetic number, because the mean of its divisors is an integer number (205059652128).

Almost surely, 2^{1228704203667} is an apocalyptic number.

1228704203667 is a deficient number, since it is larger than the sum of its proper divisors (411773013357).

1228704203667 is an equidigital number, since it uses as much as digits as its factorization.

1228704203667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551236369.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 1228704203667 in words is "one trillion, two hundred twenty-eight billion, seven hundred four million, two hundred three thousand, six hundred sixty-seven".