1055668 has 18 divisors (see below), whose sum is σ = 1905638. Its totient is φ = 511680.

The previous prime is 1055611. The next prime is 1055671. The reversal of 1055668 is 8665501.

It can be written as a sum of positive squares in 3 ways, for example, as 79524 + 976144 = 282^2 + 988^2 .

It is a super-2 number, since 2×1055668² = 2228869852448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6646 + ... + 6802.

2^1055668 is an apocalyptic number.

It is an amenable number.

1055668 is a deficient number, since it is larger than the sum of its proper divisors (849970).

1055668 is a wasteful number, since it uses less digits than its factorization.

1055668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1055668 is about 1027.4570550636. The cubic root of 1055668 is about 101.8221943958.

The spelling of 1055668 in words is "one million, fifty-five thousand, six hundred sixty-eight".