1078196494 has 4 divisors (see below), whose sum is σ = 1617294744. Its totient is φ = 539098246.

The previous prime is 1078196489. The next prime is 1078196519. The reversal of 1078196494 is 4946918701.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269549122 + ... + 269549125.

It is an arithmetic number, because the mean of its divisors is an integer number (404323686).

Almost surely, 2^1078196494 is an apocalyptic number.

1078196494 is a deficient number, since it is larger than the sum of its proper divisors (539098250).

1078196494 is an equidigital number, since it uses as much as digits as its factorization.

1078196494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539098249.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 1078196494 is about 32835.9025153870. The cubic root of 1078196494 is about 1025.4141476138.

The spelling of 1078196494 in words is "one billion, seventy-eight million, one hundred ninety-six thousand, four hundred ninety-four".