118554361 has 4 divisors (see below), whose sum is σ = 119063412. Its totient is φ = 118045312.

The previous prime is 118554353. The next prime is 118554367. The reversal of 118554361 is 163455811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 163455811 = 3469 ⋅47119.

It can be written as a sum of positive squares in 2 ways, for example, as 36832761 + 81721600 = 6069^2 + 9040^2 .

It is a cyclic number.

It is not a de Polignac number, because 118554361 - 2³ = 118554353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118554367) 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 in 3 ways as a sum of consecutive naturals, for example, 254176 + ... + 254641.

It is an arithmetic number, because the mean of its divisors is an integer number (29765853).

Almost surely, 2^118554361 is an apocalyptic number.

It is an amenable number.

118554361 is a deficient number, since it is larger than the sum of its proper divisors (509051).

118554361 is an equidigital number, since it uses as much as digits as its factorization.

118554361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509050.

The product of its digits is 14400, while the sum is 34.

The square root of 118554361 is about 10888.2671256725. The cubic root of 118554361 is about 491.2537116395.

The spelling of 118554361 in words is "one hundred eighteen million, five hundred fifty-four thousand, three hundred sixty-one".