1220241024049 has 4 divisors (see below), whose sum is σ = 1259603637760. Its totient is φ = 1180878410340.

The previous prime is 1220241024043. The next prime is 1220241024089. The reversal of 1220241024049 is 9404201420221.

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 1220241024049 - 2¹⁹ = 1220240499761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 39362613679 = 1220241024049 / (1 + 2 + 2 + 0 + 2 + 4 + 1 + 0 + 2 + 4 + 0 + 4 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220241024049.

It is not an unprimeable number, because it can be changed into a prime (1220241024043) 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, 19681306809 + ... + 19681306870.

It is an arithmetic number, because the mean of its divisors is an integer number (314900909440).

Almost surely, 2^{1220241024049} is an apocalyptic number.

It is an amenable number.

1220241024049 is a deficient number, since it is larger than the sum of its proper divisors (39362613711).

1220241024049 is an equidigital number, since it uses as much as digits as its factorization.

1220241024049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39362613710.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 1220241024049 in words is "one trillion, two hundred twenty billion, two hundred forty-one million, twenty-four thousand, forty-nine".