1228704203741 has 4 divisors (see below), whose sum is σ = 1404233375712. Its totient is φ = 1053175031772.

The previous prime is 1228704203731. The next prime is 1228704203819. The reversal of 1228704203741 is 1473024078221.

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.

It is a cyclic number.

It is not a de Polignac number, because 1228704203741 - 2³⁰ = 1227630461917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228704203711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87764585975 + ... + 87764585988.

It is an arithmetic number, because the mean of its divisors is an integer number (351058343928).

Almost surely, 2^{1228704203741} is an apocalyptic number.

It is an amenable number.

1228704203741 is a deficient number, since it is larger than the sum of its proper divisors (175529171971).

1228704203741 is an equidigital number, since it uses as much as digits as its factorization.

1228704203741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175529171970.

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 1228704203741 in words is "one trillion, two hundred twenty-eight billion, seven hundred four million, two hundred three thousand, seven hundred forty-one".