118415273 has 2 divisors, whose sum is σ = 118415274. Its totient is φ = 118415272.

The previous prime is 118415267. The next prime is 118415333. The reversal of 118415273 is 372514811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115498009 + 2917264 = 10747^2 + 1708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118415273 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (118415243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59207636 + 59207637.

It is an arithmetic number, because the mean of its divisors is an integer number (59207637).

Almost surely, 2^118415273 is an apocalyptic number.

It is an amenable number.

118415273 is a deficient number, since it is larger than the sum of its proper divisors (1).

118415273 is an equidigital number, since it uses as much as digits as its factorization.

118415273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 32.

The square root of 118415273 is about 10881.8781926651. The cubic root of 118415273 is about 491.0615234773.

The spelling of 118415273 in words is "one hundred eighteen million, four hundred fifteen thousand, two hundred seventy-three".