11142703 has 16 divisors (see below), whose sum is σ = 13297536. Its totient is φ = 9203040.

The previous prime is 11142697. The next prime is 11142731. The reversal of 11142703 is 30724111.

It is not a de Polignac number, because 11142703 - 2²¹ = 9045551 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 (11142763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9000 + ... + 10162.

It is an arithmetic number, because the mean of its divisors is an integer number (831096).

Almost surely, 2^11142703 is an apocalyptic number.

11142703 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11142703 is a deficient number, since it is larger than the sum of its proper divisors (2154833).

11142703 is a wasteful number, since it uses less digits than its factorization.

11142703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11142703 is about 3338.0687530367. The cubic root of 11142703 is about 223.3556030861.

Adding to 11142703 its reverse (30724111), we get a palindrome (41866814).

The spelling of 11142703 in words is "eleven million, one hundred forty-two thousand, seven hundred three".