118428103 has 4 divisors (see below), whose sum is σ = 125394480. Its totient is φ = 111461728.

The previous prime is 118428097. The next prime is 118428113. The reversal of 118428103 is 301824811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118428103 - 2¹³ = 118419911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118428113) 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, 3483163 + ... + 3483196.

It is an arithmetic number, because the mean of its divisors is an integer number (31348620).

Almost surely, 2^118428103 is an apocalyptic number.

118428103 is a deficient number, since it is larger than the sum of its proper divisors (6966377).

118428103 is an equidigital number, since it uses as much as digits as its factorization.

118428103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6966376.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 118428103 is about 10882.4676889022. The cubic root of 118428103 is about 491.0792579346.

The spelling of 118428103 in words is "one hundred eighteen million, four hundred twenty-eight thousand, one hundred three".