1075729 has 2 divisors, whose sum is σ = 1075730. Its totient is φ = 1075728.

The previous prime is 1075727. The next prime is 1075757. The reversal of 1075729 is 9275701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 762129 + 313600 = 873^2 + 560^2 .

It is an emirp because it is prime and its reverse (9275701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1075729 - 2¹ = 1075727 is a prime.

Together with 1075727, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1075729.

It is not a weakly prime, because it can be changed into another prime (1075727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537864 + 537865.

It is an arithmetic number, because the mean of its divisors is an integer number (537865).

2^1075729 is an apocalyptic number.

It is an amenable number.

1075729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075729 is an equidigital number, since it uses as much as digits as its factorization.

1075729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 1075729 is about 1037.1735631031. The cubic root of 1075729 is about 102.4631316938.

The spelling of 1075729 in words is "one million, seventy-five thousand, seven hundred twenty-nine".