118118293 has 2 divisors, whose sum is σ = 118118294. Its totient is φ = 118118292.

The previous prime is 118118267. The next prime is 118118309. The reversal of 118118293 is 392811811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103693489 + 14424804 = 10183^2 + 3798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118118293 is a prime.

It is a super-2 number, since 2×118118293² = 27903862282467698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118118233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59059146 + 59059147.

It is an arithmetic number, because the mean of its divisors is an integer number (59059147).

Almost surely, 2^118118293 is an apocalyptic number.

It is an amenable number.

118118293 is a deficient number, since it is larger than the sum of its proper divisors (1).

118118293 is an equidigital number, since it uses as much as digits as its factorization.

118118293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 34.

The square root of 118118293 is about 10868.2240039484. The cubic root of 118118293 is about 490.6506599857.

The spelling of 118118293 in words is "one hundred eighteen million, one hundred eighteen thousand, two hundred ninety-three".