1042709 has 2 divisors, whose sum is σ = 1042710. Its totient is φ = 1042708.

The previous prime is 1042703. The next prime is 1042733. The reversal of 1042709 is 9072401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 624100 + 418609 = 790^2 + 647^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042709 - 2⁴ = 1042693 is a prime.

It is a Chen prime.

It is an Ulam number.

It is equal to p₈₁₆₀₈ and since 1042709 and 81608 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521354 + 521355.

It is an arithmetic number, because the mean of its divisors is an integer number (521355).

2^1042709 is an apocalyptic number.

It is an amenable number.

1042709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042709 is an equidigital number, since it uses as much as digits as its factorization.

1042709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1042709 is about 1021.1312354443. The cubic root of 1042709 is about 101.4038336248.

The spelling of 1042709 in words is "one million, forty-two thousand, seven hundred nine".