1056109 has 2 divisors, whose sum is σ = 1056110. Its totient is φ = 1056108.

The previous prime is 1056089. The next prime is 1056113. The reversal of 1056109 is 9016501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 756900 + 299209 = 870^2 + 547^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056109 - 2⁷ = 1055981 is a prime.

It is a super-2 number, since 2×1056109² = 2230732439762, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1056109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528054 + 528055.

It is an arithmetic number, because the mean of its divisors is an integer number (528055).

2^1056109 is an apocalyptic number.

It is an amenable number.

1056109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056109 is an equidigital number, since it uses as much as digits as its factorization.

1056109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1056109 is about 1027.6716401653. The cubic root of 1056109 is about 101.8363709919.

The spelling of 1056109 in words is "one million, fifty-six thousand, one hundred nine".