1220098163 has 2 divisors, whose sum is σ = 1220098164. Its totient is φ = 1220098162.

The previous prime is 1220098153. The next prime is 1220098169. The reversal of 1220098163 is 3618900221.

It is a strong prime.

It is an emirp because it is prime and its reverse (3618900221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220098163 - 2⁴ = 1220098147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220098169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610049081 + 610049082.

It is an arithmetic number, because the mean of its divisors is an integer number (610049082).

Almost surely, 2^1220098163 is an apocalyptic number.

1220098163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220098163 is an equidigital number, since it uses as much as digits as its factorization.

1220098163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1220098163 is about 34929.9035641383. The cubic root of 1220098163 is about 1068.5583878731.

Adding to 1220098163 its reverse (3618900221), we get a palindrome (4838998384).

The spelling of 1220098163 in words is "one billion, two hundred twenty million, ninety-eight thousand, one hundred sixty-three".