11142943 has 6 divisors (see below), whose sum is σ = 12962256. Its totient is φ = 9551052.

The previous prime is 11142941. The next prime is 11142947. The reversal of 11142943 is 34924111.

It is a happy number.

11142943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11142943 - 2¹ = 11142941 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 (11142941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113655 + ... + 113752.

It is an arithmetic number, because the mean of its divisors is an integer number (2160376).

Almost surely, 2^11142943 is an apocalyptic number.

11142943 is a deficient number, since it is larger than the sum of its proper divisors (1819313).

11142943 is an equidigital number, since it uses as much as digits as its factorization.

11142943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227421 (or 227414 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 11142943 is about 3338.1047017731. The cubic root of 11142943 is about 223.3572066754.

The spelling of 11142943 in words is "eleven million, one hundred forty-two thousand, nine hundred forty-three".