1065655 has 4 divisors (see below), whose sum is σ = 1278792. Its totient is φ = 852520.

The previous prime is 1065643. The next prime is 1065667. The reversal of 1065655 is 5565601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5565601 = 1543 ⋅3607.

It is an interprime number because it is at equal distance from previous prime (1065643) and next prime (1065667).

It is not a de Polignac number, because 1065655 - 2⁷ = 1065527 is a prime.

It is a super-2 number, since 2×1065655² = 2271241158050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106561 + ... + 106570.

It is an arithmetic number, because the mean of its divisors is an integer number (319698).

2^1065655 is an apocalyptic number.

1065655 is a deficient number, since it is larger than the sum of its proper divisors (213137).

1065655 is an equidigital number, since it uses as much as digits as its factorization.

1065655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213136.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1065655 is about 1032.3056717853. The cubic root of 1065655 is about 102.1422786970.

The spelling of 1065655 in words is "one million, sixty-five thousand, six hundred fifty-five".