118700990 has 16 divisors (see below), whose sum is σ = 214116480. Its totient is φ = 47379360.

The previous prime is 118700969. The next prime is 118701007. The reversal of 118700990 is 99007811.

It is a self number, because there is not a number n which added to its sum of digits gives 118700990.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7601 + ... + 17180.

It is an arithmetic number, because the mean of its divisors is an integer number (13382280).

Almost surely, 2^118700990 is an apocalyptic number.

118700990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118700990 is a deficient number, since it is larger than the sum of its proper divisors (95415490).

118700990 is a wasteful number, since it uses less digits than its factorization.

118700990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25267.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 118700990 is about 10894.9983937585. The cubic root of 118700990 is about 491.4561570652.

Adding to 118700990 its sum of digits (35), we get a square (118701025 = 10895²).

The spelling of 118700990 in words is "one hundred eighteen million, seven hundred thousand, nine hundred ninety".