1078857 has 12 divisors (see below), whose sum is σ = 1678404. Its totient is φ = 663840.

The previous prime is 1078853. The next prime is 1078873. The reversal of 1078857 is 7588701.

It can be written as a sum of positive squares in 2 ways, for example, as 594441 + 484416 = 771^2 + 696^2 .

It is not a de Polignac number, because 1078857 - 2² = 1078853 is a prime.

1078857 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1078853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4494 + ... + 4727.

It is an arithmetic number, because the mean of its divisors is an integer number (139867).

2^1078857 is an apocalyptic number.

It is an amenable number.

1078857 is a deficient number, since it is larger than the sum of its proper divisors (599547).

1078857 is a wasteful number, since it uses less digits than its factorization.

1078857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9240 (or 9237 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The square root of 1078857 is about 1038.6804128316. The cubic root of 1078857 is about 102.5623495336.

The spelling of 1078857 in words is "one million, seventy-eight thousand, eight hundred fifty-seven".