118492169 has 2 divisors, whose sum is σ = 118492170. Its totient is φ = 118492168.

The previous prime is 118492147. The next prime is 118492181. The reversal of 118492169 is 961294811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112635769 + 5856400 = 10613^2 + 2420^2 .

It is an emirp because it is prime and its reverse (961294811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118492169 is a prime.

It is a super-2 number, since 2×118492169² = 28080788228649122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118492369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59246084 + 59246085.

It is an arithmetic number, because the mean of its divisors is an integer number (59246085).

Almost surely, 2^118492169 is an apocalyptic number.

It is an amenable number.

118492169 is a deficient number, since it is larger than the sum of its proper divisors (1).

118492169 is an equidigital number, since it uses as much as digits as its factorization.

118492169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 41.

The square root of 118492169 is about 10885.4108328533. The cubic root of 118492169 is about 491.1677949496.

The spelling of 118492169 in words is "one hundred eighteen million, four hundred ninety-two thousand, one hundred sixty-nine".