118309103 has 8 divisors (see below), whose sum is σ = 136656720. Its totient is φ = 101226880.

The previous prime is 118309049. The next prime is 118309109. The reversal of 118309103 is 301903811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118309103 - 2¹⁸ = 118046959 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 (118309109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316148 + ... + 316521.

It is an arithmetic number, because the mean of its divisors is an integer number (17082090).

Almost surely, 2^118309103 is an apocalyptic number.

118309103 is a deficient number, since it is larger than the sum of its proper divisors (18347617).

118309103 is a wasteful number, since it uses less digits than its factorization.

118309103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632697.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 118309103 is about 10876.9988048174. The cubic root of 118309103 is about 490.9147192407.

Adding to 118309103 its sum of digits (26), we get a square (118309129 = 10877²).

The spelling of 118309103 in words is "one hundred eighteen million, three hundred nine thousand, one hundred three".