118201383 has 16 divisors (see below), whose sum is σ = 175590400. Its totient is φ = 78586200.

The previous prime is 118201351. The next prime is 118201399. The reversal of 118201383 is 383102811.

It is not a de Polignac number, because 118201383 - 2⁵ = 118201351 is a prime.

It is a super-2 number, since 2×118201383² = 27943133886225378, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118201283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4458 + ... + 16008.

It is an arithmetic number, because the mean of its divisors is an integer number (10974400).

Almost surely, 2^118201383 is an apocalyptic number.

118201383 is a deficient number, since it is larger than the sum of its proper divisors (57389017).

118201383 is a wasteful number, since it uses less digits than its factorization.

118201383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11939 (or 11933 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 118201383 is about 10872.0459436115. The cubic root of 118201383 is about 490.7656819878.

It can be divided in two parts, 11820 and 1383, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 118201383 in words is "one hundred eighteen million, two hundred one thousand, three hundred eighty-three".