1055765 has 4 divisors (see below), whose sum is σ = 1266924. Its totient is φ = 844608.

The previous prime is 1055741. The next prime is 1055771. The reversal of 1055765 is 5675501.

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 749956 + 305809 = 866^2 + 553^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055765 - 2¹⁸ = 793621 is a prime.

It is a super-2 number, since 2×1055765² = 2229279470450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 105572 + ... + 105581.

It is an arithmetic number, because the mean of its divisors is an integer number (316731).

2^1055765 is an apocalyptic number.

It is an amenable number.

1055765 is a deficient number, since it is larger than the sum of its proper divisors (211159).

1055765 is an equidigital number, since it uses as much as digits as its factorization.

1055765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211158.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 1055765 is about 1027.5042578987. The cubic root of 1055765 is about 101.8253129427.

The spelling of 1055765 in words is "one million, fifty-five thousand, seven hundred sixty-five".