118620 has 36 divisors (see below), whose sum is σ = 360360. Its totient is φ = 31584.

The previous prime is 118619. The next prime is 118621. The reversal of 118620 is 26811.

118620 = T₁₄₉ + T₁₅₀ + ... + T₁₅₈.

It is an interprime number because it is at equal distance from previous prime (118619) and next prime (118621).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 118593 and 118602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150 + ... + 509.

It is an arithmetic number, because the mean of its divisors is an integer number (10010).

2¹¹⁸⁶²⁰ is an apocalyptic number.

118620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118620 is an abundant number, since it is smaller than the sum of its proper divisors (241740).

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

118620 is a wasteful number, since it uses less digits than its factorization.

118620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 118620 is about 344.4125433256. The cubic root of 118620 is about 49.1344357688.

Subtracting from 118620 its reverse (26811), we obtain a square (91809 = 303²).

The spelling of 118620 in words is "one hundred eighteen thousand, six hundred twenty".