11042729 has 2 divisors, whose sum is σ = 11042730. Its totient is φ = 11042728.

The previous prime is 11042723. The next prime is 11042747. The reversal of 11042729 is 92724011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11042329 + 400 = 3323^2 + 20^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11042729 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11042698 and 11042707.

It is not a weakly prime, because it can be changed into another prime (11042723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521364 + 5521365.

It is an arithmetic number, because the mean of its divisors is an integer number (5521365).

Almost surely, 2^11042729 is an apocalyptic number.

It is an amenable number.

11042729 is a deficient number, since it is larger than the sum of its proper divisors (1).

11042729 is an equidigital number, since it uses as much as digits as its factorization.

11042729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 11042729 is about 3323.0601860333. The cubic root of 11042729 is about 222.6856019829.

The spelling of 11042729 in words is "eleven million, forty-two thousand, seven hundred twenty-nine".