1123061617 has 2 divisors, whose sum is σ = 1123061618. Its totient is φ = 1123061616.

The previous prime is 1123061591. The next prime is 1123061623. The reversal of 1123061617 is 7161603211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 731377936 + 391683681 = 27044^2 + 19791^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123061617 is a prime.

It is a super-2 number, since 2×1123061617² = 2522534791157309378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123061657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561530808 + 561530809.

It is an arithmetic number, because the mean of its divisors is an integer number (561530809).

Almost surely, 2^1123061617 is an apocalyptic number.

It is an amenable number.

1123061617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123061617 is an equidigital number, since it uses as much as digits as its factorization.

1123061617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1123061617 is about 33512.1114971886. Note that the first 3 decimals coincide. The cubic root of 1123061617 is about 1039.4442349243. Note that the first 3 decimals are identical.

Adding to 1123061617 its reverse (7161603211), we get a palindrome (8284664828).

The spelling of 1123061617 in words is "one billion, one hundred twenty-three million, sixty-one thousand, six hundred seventeen".