1125510017 has 2 divisors, whose sum is σ = 1125510018. Its totient is φ = 1125510016.

The previous prime is 1125510013. The next prime is 1125510073. The reversal of 1125510017 is 7100155211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 938258161 + 187251856 = 30631^2 + 13684^2 .

It is an emirp because it is prime and its reverse (7100155211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1125510017 - 2² = 1125510013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125509974 and 1125510001.

It is not a weakly prime, because it can be changed into another prime (1125510013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562755008 + 562755009.

It is an arithmetic number, because the mean of its divisors is an integer number (562755009).

Almost surely, 2^1125510017 is an apocalyptic number.

It is an amenable number.

1125510017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125510017 is an equidigital number, since it uses as much as digits as its factorization.

1125510017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350, while the sum is 23.

The square root of 1125510017 is about 33548.6216855477. The cubic root of 1125510017 is about 1040.1990549090.

Adding to 1125510017 its reverse (7100155211), we get a palindrome (8225665228).

The spelling of 1125510017 in words is "one billion, one hundred twenty-five million, five hundred ten thousand, seventeen".