1061656 has 8 divisors (see below), whose sum is σ = 1990620. Its totient is φ = 530824.

The previous prime is 1061651. The next prime is 1061677. The reversal of 1061656 is 6561601.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1061656² = 2254226924672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061651) by changing a digit.

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 as a sum of consecutive naturals, namely, 66346 + ... + 66361.

2^1061656 is an apocalyptic number.

It is an amenable number.

1061656 is a deficient number, since it is larger than the sum of its proper divisors (928964).

1061656 is a wasteful number, since it uses less digits than its factorization.

1061656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132713 (or 132709 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1061656 is about 1030.3669249350. The cubic root of 1061656 is about 102.0143514345.

Subtracting 1061656 from its reverse (6561601), we obtain a palindrome (5499945).

The spelling of 1061656 in words is "one million, sixty-one thousand, six hundred fifty-six".