118197241 has 2 divisors, whose sum is σ = 118197242. Its totient is φ = 118197240.

The previous prime is 118197187. The next prime is 118197257. The reversal of 118197241 is 142791811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108243216 + 9954025 = 10404^2 + 3155^2 .

It is an emirp because it is prime and its reverse (142791811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118197241 - 2⁷ = 118197113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118197197 and 118197206.

It is not a weakly prime, because it can be changed into another prime (118197281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59098620 + 59098621.

It is an arithmetic number, because the mean of its divisors is an integer number (59098621).

Almost surely, 2^118197241 is an apocalyptic number.

It is an amenable number.

118197241 is a deficient number, since it is larger than the sum of its proper divisors (1).

118197241 is an equidigital number, since it uses as much as digits as its factorization.

118197241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 34.

The square root of 118197241 is about 10871.8554534173. The cubic root of 118197241 is about 490.7599494683.

The spelling of 118197241 in words is "one hundred eighteen million, one hundred ninety-seven thousand, two hundred forty-one".