118224641 has 4 divisors (see below), whose sum is σ = 119395284. Its totient is φ = 117054000.

The previous prime is 118224637. The next prime is 118224661. The reversal of 118224641 is 146422811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146422811 = 197 ⋅743263.

It can be written as a sum of positive squares in 2 ways, for example, as 79834225 + 38390416 = 8935^2 + 6196^2 .

It is a cyclic number.

It is not a de Polignac number, because 118224641 - 2² = 118224637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118224661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585170 + ... + 585371.

It is an arithmetic number, because the mean of its divisors is an integer number (29848821).

Almost surely, 2^118224641 is an apocalyptic number.

It is an amenable number.

118224641 is a deficient number, since it is larger than the sum of its proper divisors (1170643).

118224641 is a wasteful number, since it uses less digits than its factorization.

118224641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170642.

The product of its digits is 3072, while the sum is 29.

The square root of 118224641 is about 10873.1155148835. The cubic root of 118224641 is about 490.7978685251.

The spelling of 118224641 in words is "one hundred eighteen million, two hundred twenty-four thousand, six hundred forty-one".