11902103 has 4 divisors (see below), whose sum is σ = 11922768. Its totient is φ = 11881440.

The previous prime is 11902087. The next prime is 11902127. The reversal of 11902103 is 30120911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30120911 = 4691 ⋅6421.

It is a cyclic number.

It is not a de Polignac number, because 11902103 - 2⁴ = 11902087 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 (11902133) 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, 9443 + ... + 10628.

It is an arithmetic number, because the mean of its divisors is an integer number (2980692).

Almost surely, 2^11902103 is an apocalyptic number.

11902103 is a deficient number, since it is larger than the sum of its proper divisors (20665).

11902103 is an equidigital number, since it uses as much as digits as its factorization.

11902103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20664.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 11902103 is about 3449.9424632883. The cubic root of 11902103 is about 228.3185695014.

The spelling of 11902103 in words is "eleven million, nine hundred two thousand, one hundred three".