11142103 has 4 divisors (see below), whose sum is σ = 12733840. Its totient is φ = 9550368.

The previous prime is 11142059. The next prime is 11142107. The reversal of 11142103 is 30124111.

11142103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30124111 = 347 ⋅86813.

It is a cyclic number.

It is not a de Polignac number, because 11142103 - 2¹³ = 11133911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142107) 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, 795858 + ... + 795871.

It is an arithmetic number, because the mean of its divisors is an integer number (3183460).

Almost surely, 2^11142103 is an apocalyptic number.

11142103 is a deficient number, since it is larger than the sum of its proper divisors (1591737).

11142103 is an equidigital number, since it uses as much as digits as its factorization.

11142103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591736.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11142103 is about 3337.9788795018. The cubic root of 11142103 is about 223.3515940120.

Adding to 11142103 its reverse (30124111), we get a palindrome (41266214).

The spelling of 11142103 in words is "eleven million, one hundred forty-two thousand, one hundred three".