118820275 has 48 divisors (see below), whose sum is σ = 174417408. Its totient is φ = 78624000.

The previous prime is 118820263. The next prime is 118820297. The reversal of 118820275 is 572028811.

118820275 = T₃₉₃ + T₃₉₄ + ... + T₉₁₇.

It is not a de Polignac number, because 118820275 - 2⁷ = 118820147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118820275.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 906960 + ... + 907090.

It is an arithmetic number, because the mean of its divisors is an integer number (3633696).

Almost surely, 2^118820275 is an apocalyptic number.

118820275 is a deficient number, since it is larger than the sum of its proper divisors (55597133).

118820275 is a wasteful number, since it uses less digits than its factorization.

118820275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 118820275 is about 10900.4713200852. The cubic root of 118820275 is about 491.6207266598.

The spelling of 118820275 in words is "one hundred eighteen million, eight hundred twenty thousand, two hundred seventy-five".