11985103 has 4 divisors (see below), whose sum is σ = 12907048. Its totient is φ = 11063160.

The previous prime is 11985101. The next prime is 11985109. The reversal of 11985103 is 30158911.

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 11985103 - 2¹ = 11985101 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 (11985101) 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, 460953 + ... + 460978.

It is an arithmetic number, because the mean of its divisors is an integer number (3226762).

Almost surely, 2^11985103 is an apocalyptic number.

11985103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11985103 is a deficient number, since it is larger than the sum of its proper divisors (921945).

11985103 is an equidigital number, since it uses as much as digits as its factorization.

11985103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921944.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 11985103 is about 3461.9507506607. The cubic root of 11985103 is about 228.8480714580.

The spelling of 11985103 in words is "eleven million, nine hundred eighty-five thousand, one hundred three".