1110020173 has 2 divisors, whose sum is σ = 1110020174. Its totient is φ = 1110020172.

The previous prime is 1110020129. The next prime is 1110020201. The reversal of 1110020173 is 3710200111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1102107204 + 7912969 = 33198^2 + 2813^2 .

It is an emirp because it is prime and its reverse (3710200111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110020173 - 2⁹ = 1110019661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110020473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555010086 + 555010087.

It is an arithmetic number, because the mean of its divisors is an integer number (555010087).

Almost surely, 2^1110020173 is an apocalyptic number.

It is an amenable number.

1110020173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110020173 is an equidigital number, since it uses as much as digits as its factorization.

1110020173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 1110020173 is about 33316.9652429509. The cubic root of 1110020173 is about 1035.4050778128.

Adding to 1110020173 its reverse (3710200111), we get a palindrome (4820220284).

The spelling of 1110020173 in words is "one billion, one hundred ten million, twenty thousand, one hundred seventy-three".