118061215 has 4 divisors (see below), whose sum is σ = 141673464. Its totient is φ = 94448968.

The previous prime is 118061213. The next prime is 118061219. The reversal of 118061215 is 512160811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118061215 - 2¹ = 118061213 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 118061215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118061213) 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, 11806117 + ... + 11806126.

It is an arithmetic number, because the mean of its divisors is an integer number (35418366).

Almost surely, 2^118061215 is an apocalyptic number.

118061215 is a deficient number, since it is larger than the sum of its proper divisors (23612249).

118061215 is an equidigital number, since it uses as much as digits as its factorization.

118061215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23612248.

The product of its (nonzero) digits is 480, while the sum is 25.

The square root of 118061215 is about 10865.5977746280. The cubic root of 118061215 is about 490.5716152985.

The spelling of 118061215 in words is "one hundred eighteen million, sixty-one thousand, two hundred fifteen".