1078678 has 4 divisors (see below), whose sum is σ = 1618020. Its totient is φ = 539338.

The previous prime is 1078673. The next prime is 1078681. The reversal of 1078678 is 8768701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269668 + ... + 269671.

It is an arithmetic number, because the mean of its divisors is an integer number (404505).

2^1078678 is an apocalyptic number.

1078678 is a deficient number, since it is larger than the sum of its proper divisors (539342).

1078678 is an equidigital number, since it uses as much as digits as its factorization.

1078678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539341.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 1078678 is about 1038.5942422332. The cubic root of 1078678 is about 102.5566769635.

The spelling of 1078678 in words is "one million, seventy-eight thousand, six hundred seventy-eight".