118755920 has 20 divisors (see below), whose sum is σ = 276107700. Its totient is φ = 47502336.

The previous prime is 118755911. The next prime is 118755929. The reversal of 118755920 is 29557811.

It is an interprime number because it is at equal distance from previous prime (118755911) and next prime (118755929).

It can be written as a sum of positive squares in 2 ways, for example, as 12418576 + 106337344 = 3524^2 + 10312^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118755929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742145 + ... + 742304.

It is an arithmetic number, because the mean of its divisors is an integer number (13805385).

Almost surely, 2^118755920 is an apocalyptic number.

118755920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118755920 is an abundant number, since it is smaller than the sum of its proper divisors (157351780).

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

118755920 is a wasteful number, since it uses less digits than its factorization.

118755920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484462 (or 1484456 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 38.

The square root of 118755920 is about 10897.5189836953. The cubic root of 118755920 is about 491.5319540281.

The spelling of 118755920 in words is "one hundred eighteen million, seven hundred fifty-five thousand, nine hundred twenty".