11742043 has 2 divisors, whose sum is σ = 11742044. Its totient is φ = 11742042.

The previous prime is 11742011. The next prime is 11742047. The reversal of 11742043 is 34024711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11742043 - 2⁵ = 11742011 is a prime.

It is not a weakly prime, because it can be changed into another prime (11742047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5871021 + 5871022.

It is an arithmetic number, because the mean of its divisors is an integer number (5871022).

Almost surely, 2^11742043 is an apocalyptic number.

11742043 is a deficient number, since it is larger than the sum of its proper divisors (1).

11742043 is an equidigital number, since it uses as much as digits as its factorization.

11742043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 11742043 is about 3426.6664559014. Note that the first 3 decimals coincide. The cubic root of 11742043 is about 227.2904676237.

Adding to 11742043 its reverse (34024711), we get a palindrome (45766754).

The spelling of 11742043 in words is "eleven million, seven hundred forty-two thousand, forty-three".