1116620017 has 4 divisors (see below), whose sum is σ = 1135545840. Its totient is φ = 1097694196.

The previous prime is 1116619991. The next prime is 1116620039. The reversal of 1116620017 is 7100266111.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7100266111 = 1061 ⋅6692051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116620017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1116619973 and 1116620000.

It is not an unprimeable number, because it can be changed into a prime (1116620047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9462823 + ... + 9462940.

It is an arithmetic number, because the mean of its divisors is an integer number (283886460).

Almost surely, 2^1116620017 is an apocalyptic number.

It is an amenable number.

1116620017 is a deficient number, since it is larger than the sum of its proper divisors (18925823).

1116620017 is an equidigital number, since it uses as much as digits as its factorization.

1116620017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18925822.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1116620017 is about 33415.8647501453. The cubic root of 1116620017 is about 1037.4530926100.

Adding to 1116620017 its reverse (7100266111), we get a palindrome (8216886128).

The spelling of 1116620017 in words is "one billion, one hundred sixteen million, six hundred twenty thousand, seventeen".