118225397 has 8 divisors (see below), whose sum is σ = 121902936. Its totient is φ = 114573312.

The previous prime is 118225379. The next prime is 118225403. The reversal of 118225397 is 793522811.

It can be written as a sum of positive squares in 4 ways, for example, as 54081316 + 64144081 = 7354^2 + 8009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118225397 - 2¹⁰ = 118224373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118225397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118225337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3293 + ... + 15725.

It is an arithmetic number, because the mean of its divisors is an integer number (15237867).

Almost surely, 2^118225397 is an apocalyptic number.

It is an amenable number.

118225397 is a deficient number, since it is larger than the sum of its proper divisors (3677539).

118225397 is a wasteful number, since it uses less digits than its factorization.

118225397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12727.

The product of its digits is 30240, while the sum is 38.

The square root of 118225397 is about 10873.1502794728. The cubic root of 118225397 is about 490.7989146759.

The spelling of 118225397 in words is "one hundred eighteen million, two hundred twenty-five thousand, three hundred ninety-seven".