118221526 has 8 divisors (see below), whose sum is σ = 177392664. Its totient is φ = 59090640.

The previous prime is 118221457. The next prime is 118221539. The reversal of 118221526 is 625122811.

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

It is a junction number, because it is equal to n+sod(n) for n = 118221494 and 118221503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1135 + ... + 15418.

It is an arithmetic number, because the mean of its divisors is an integer number (22174083).

Almost surely, 2^118221526 is an apocalyptic number.

118221526 is a deficient number, since it is larger than the sum of its proper divisors (59171138).

118221526 is a wasteful number, since it uses less digits than its factorization.

118221526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20126.

The product of its digits is 1920, while the sum is 28.

The square root of 118221526 is about 10872.9722707271. The cubic root of 118221526 is about 490.7935579494.

The spelling of 118221526 in words is "one hundred eighteen million, two hundred twenty-one thousand, five hundred twenty-six".