1056783 has 32 divisors (see below), whose sum is σ = 1792000. Its totient is φ = 550368.

The previous prime is 1056779. The next prime is 1056793. The reversal of 1056783 is 3876501.

It is a Cunningham number, because it is equal to 1028²-1.

It is not a de Polignac number, because 1056783 - 2² = 1056779 is a prime.

It is a super-2 number, since 2×1056783² = 2233580618178, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1056783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13338 + ... + 13416.

It is an arithmetic number, because the mean of its divisors is an integer number (56000).

2^1056783 is an apocalyptic number.

1056783 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1056783 is a deficient number, since it is larger than the sum of its proper divisors (735217).

1056783 is an equidigital number, since it uses as much as digits as its factorization.

1056783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1056783 is about 1027.9995136186. Note that the first 3 decimals coincide. The cubic root of 1056783 is about 101.8580300940.

The spelling of 1056783 in words is "one million, fifty-six thousand, seven hundred eighty-three".