118561301 has 4 divisors (see below), whose sum is σ = 119414400. Its totient is φ = 117708204.

The previous prime is 118561291. The next prime is 118561319. The reversal of 118561301 is 103165811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 103165811 = 7 ⋅14737973.

It is a cyclic number.

It is not a de Polignac number, because 118561301 - 2¹⁴ = 118544917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118561321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426341 + ... + 426618.

It is an arithmetic number, because the mean of its divisors is an integer number (29853600).

Almost surely, 2^118561301 is an apocalyptic number.

It is an amenable number.

118561301 is a deficient number, since it is larger than the sum of its proper divisors (853099).

118561301 is an equidigital number, since it uses as much as digits as its factorization.

118561301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853098.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 118561301 is about 10888.5858126756. The cubic root of 118561301 is about 491.2632972119.

The spelling of 118561301 in words is "one hundred eighteen million, five hundred sixty-one thousand, three hundred one".