1209056 has 12 divisors (see below), whose sum is σ = 2380392. Its totient is φ = 604512.

The previous prime is 1209053. The next prime is 1209073. The reversal of 1209056 is 6509021.

It is a super-2 number, since 2×1209056² = 2923632822272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1209053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18860 + ... + 18923.

It is an arithmetic number, because the mean of its divisors is an integer number (198366).

2^1209056 is an apocalyptic number.

1209056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1209056 is a deficient number, since it is larger than the sum of its proper divisors (1171336).

1209056 is an equidigital number, since it uses as much as digits as its factorization.

1209056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37793 (or 37785 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1209056 is about 1099.5708253678. The cubic root of 1209056 is about 106.5325049378.

The spelling of 1209056 in words is "one million, two hundred nine thousand, fifty-six".