1181410117 has 2 divisors, whose sum is σ = 1181410118. Its totient is φ = 1181410116.

The previous prime is 1181410073. The next prime is 1181410133. The reversal of 1181410117 is 7110141811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1172446081 + 8964036 = 34241^2 + 2994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1181410117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1181410091 and 1181410100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1181410187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590705058 + 590705059.

It is an arithmetic number, because the mean of its divisors is an integer number (590705059).

Almost surely, 2^1181410117 is an apocalyptic number.

It is an amenable number.

1181410117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1181410117 is an equidigital number, since it uses as much as digits as its factorization.

1181410117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 25.

The square root of 1181410117 is about 34371.6469928341. The cubic root of 1181410117 is about 1057.1425702902.

Adding to 1181410117 its reverse (7110141811), we get a palindrome (8291551928).

The spelling of 1181410117 in words is "one billion, one hundred eighty-one million, four hundred ten thousand, one hundred seventeen".