1056709 has 4 divisors (see below), whose sum is σ = 1059916. Its totient is φ = 1053504.

The previous prime is 1056707. The next prime is 1056719. The reversal of 1056709 is 9076501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 494209 + 562500 = 703^2 + 750^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056709 - 2¹ = 1056707 is a prime.

It is a super-2 number, since 2×1056709² = 2233267821362, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1044 + ... + 1789.

It is an arithmetic number, because the mean of its divisors is an integer number (264979).

2^1056709 is an apocalyptic number.

It is an amenable number.

1056709 is a deficient number, since it is larger than the sum of its proper divisors (3207).

1056709 is an equidigital number, since it uses as much as digits as its factorization.

1056709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 1056709 is about 1027.9635207535. The cubic root of 1056709 is about 101.8556525418.

The spelling of 1056709 in words is "one million, fifty-six thousand, seven hundred nine".