1220422103 has 4 divisors (see below), whose sum is σ = 1237140288. Its totient is φ = 1203703920.

The previous prime is 1220422081. The next prime is 1220422141. The reversal of 1220422103 is 3012240221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1220422103 - 2¹⁰ = 1220421079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220422403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8358983 + ... + 8359128.

It is an arithmetic number, because the mean of its divisors is an integer number (309285072).

Almost surely, 2^1220422103 is an apocalyptic number.

1220422103 is a deficient number, since it is larger than the sum of its proper divisors (16718185).

1220422103 is an equidigital number, since it uses as much as digits as its factorization.

1220422103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16718184.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1220422103 is about 34934.5402574587. The cubic root of 1220422103 is about 1068.6529480718.

Adding to 1220422103 its reverse (3012240221), we get a palindrome (4232662324).

The spelling of 1220422103 in words is "one billion, two hundred twenty million, four hundred twenty-two thousand, one hundred three".