1220234117 has 2 divisors, whose sum is σ = 1220234118. Its totient is φ = 1220234116.

The previous prime is 1220234077. The next prime is 1220234129. The reversal of 1220234117 is 7114320221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1058461156 + 161772961 = 32534^2 + 12719^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220234117 - 2⁶ = 1220234053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220234092 and 1220234101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220234167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610117058 + 610117059.

It is an arithmetic number, because the mean of its divisors is an integer number (610117059).

Almost surely, 2^1220234117 is an apocalyptic number.

It is an amenable number.

1220234117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220234117 is an equidigital number, since it uses as much as digits as its factorization.

1220234117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1220234117 is about 34931.8496074857. The cubic root of 1220234117 is about 1068.5980757704.

Adding to 1220234117 its reverse (7114320221), we get a palindrome (8334554338).

The spelling of 1220234117 in words is "one billion, two hundred twenty million, two hundred thirty-four thousand, one hundred seventeen".