1097827 has 4 divisors (see below), whose sum is σ = 1127536. Its totient is φ = 1068120.

The previous prime is 1097819. The next prime is 1097849. The reversal of 1097827 is 7287901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7287901 = 97 ⋅75133.

It is a cyclic number.

It is not a de Polignac number, because 1097827 - 2³ = 1097819 is a prime.

It is a Duffinian number.

1097827 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1097792 and 1097801.

It is not an unprimeable number, because it can be changed into a prime (1097897) 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 in 3 ways as a sum of consecutive naturals, for example, 14799 + ... + 14872.

It is an arithmetic number, because the mean of its divisors is an integer number (281884).

2^1097827 is an apocalyptic number.

1097827 is a deficient number, since it is larger than the sum of its proper divisors (29709).

1097827 is an equidigital number, since it uses as much as digits as its factorization.

1097827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29708.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 1097827 is about 1047.7723989493. The cubic root of 1097827 is about 103.1599926550.

The spelling of 1097827 in words is "one million, ninety-seven thousand, eight hundred twenty-seven".