1078842 has 8 divisors (see below), whose sum is σ = 2157696. Its totient is φ = 359612.

The previous prime is 1078841. The next prime is 1078849. The reversal of 1078842 is 2488701.

It is a sphenic number, since it is the product of 3 distinct primes.

1078842 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89898 + ... + 89909.

It is an arithmetic number, because the mean of its divisors is an integer number (269712).

2^1078842 is an apocalyptic number.

1078842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1078842 is a wasteful number, since it uses less digits than its factorization.

1078842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179812.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 1078842 is about 1038.6731921062. The cubic root of 1078842 is about 102.5618742027.

The spelling of 1078842 in words is "one million, seventy-eight thousand, eight hundred forty-two".