118820583 has 48 divisors (see below), whose sum is σ = 202902336. Its totient is φ = 65594880.

The previous prime is 118820561. The next prime is 118820591. The reversal of 118820583 is 385028811.

It is not a de Polignac number, because 118820583 - 2⁶ = 118820519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118820593) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 405385 + ... + 405677.

It is an arithmetic number, because the mean of its divisors is an integer number (4227132).

Almost surely, 2^118820583 is an apocalyptic number.

118820583 is a deficient number, since it is larger than the sum of its proper divisors (84081753).

118820583 is a wasteful number, since it uses less digits than its factorization.

118820583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 118820583 is about 10900.4854479055. The cubic root of 118820583 is about 491.6211514443.

The spelling of 118820583 in words is "one hundred eighteen million, eight hundred twenty thousand, five hundred eighty-three".