118220826 has 16 divisors (see below), whose sum is σ = 238535424. Its totient is φ = 39057984.

The previous prime is 118220821. The next prime is 118220857. The reversal of 118220826 is 628022811.

It is a junction number, because it is equal to n+sod(n) for n = 118220793 and 118220802.

It is not an unprimeable number, because it can be changed into a prime (118220821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86506 + ... + 87861.

It is an arithmetic number, because the mean of its divisors is an integer number (14908464).

Almost surely, 2^118220826 is an apocalyptic number.

118220826 is an abundant number, since it is smaller than the sum of its proper divisors (120314598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118220826 is a wasteful number, since it uses less digits than its factorization.

118220826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174485.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 118220826 is about 10872.9400807693. The cubic root of 118220826 is about 490.7925892703.

The spelling of 118220826 in words is "one hundred eighteen million, two hundred twenty thousand, eight hundred twenty-six".