1056660 has 48 divisors (see below), whose sum is σ = 3229632. Its totient is φ = 256000.

The previous prime is 1056659. The next prime is 1056667. The reversal of 1056660 is 666501.

It is a super-2 number, since 2×1056660² = 2233060711200, 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 1056660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141 + ... + 1460.

It is an arithmetic number, because the mean of its divisors is an integer number (67284).

2^1056660 is an apocalyptic number.

1056660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1056660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1614816).

1056660 is an abundant number, since it is smaller than the sum of its proper divisors (2172972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1056660 is a wasteful number, since it uses less digits than its factorization.

1056660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1056660 is about 1027.9396869467. The cubic root of 1056660 is about 101.8540781556.

The spelling of 1056660 in words is "one million, fifty-six thousand, six hundred sixty".