1078817 has 2 divisors, whose sum is σ = 1078818. Its totient is φ = 1078816.

The previous prime is 1078813. The next prime is 1078841. The reversal of 1078817 is 7188701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 844561 + 234256 = 919^2 + 484^2 .

It is a cyclic number.

It is not a de Polignac number, because 1078817 - 2² = 1078813 is a prime.

It is a super-2 number, since 2×1078817² = 2327692238978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1078813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539408 + 539409.

It is an arithmetic number, because the mean of its divisors is an integer number (539409).

2^1078817 is an apocalyptic number.

It is an amenable number.

1078817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078817 is an equidigital number, since it uses as much as digits as its factorization.

1078817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 32.

The square root of 1078817 is about 1038.6611574522. The cubic root of 1078817 is about 102.5610819746.

The spelling of 1078817 in words is "one million, seventy-eight thousand, eight hundred seventeen".