118914221 has 8 divisors (see below), whose sum is σ = 122865600. Its totient is φ = 115016832.

The previous prime is 118914203. The next prime is 118914251. The reversal of 118914221 is 122419811.

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

It is a cyclic number.

It is not a de Polignac number, because 118914221 - 2¹⁸ = 118652077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118914251) 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, 8996 + ... + 17853.

It is an arithmetic number, because the mean of its divisors is an integer number (15358200).

Almost surely, 2^118914221 is an apocalyptic number.

It is an amenable number.

118914221 is a deficient number, since it is larger than the sum of its proper divisors (3951379).

118914221 is a wasteful number, since it uses less digits than its factorization.

118914221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26995.

The product of its digits is 1152, while the sum is 29.

The square root of 118914221 is about 10904.7797318424. The cubic root of 118914221 is about 491.7502602032.

The spelling of 118914221 in words is "one hundred eighteen million, nine hundred fourteen thousand, two hundred twenty-one".