1048578994 has 12 divisors (see below), whose sum is σ = 1610303166. Its totient is φ = 512094912.

The previous prime is 1048578967. The next prime is 1048579003. The reversal of 1048578994 is 4998758401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 569538225 + 479040769 = 23865^2 + 21887^2 .

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 in 5 ways as a sum of consecutive naturals, for example, 138079 + ... + 145474.

Almost surely, 2^1048578994 is an apocalyptic number.

1048578994 is a deficient number, since it is larger than the sum of its proper divisors (561724172).

1048578994 is an equidigital number, since it uses as much as digits as its factorization.

1048578994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283641 (or 283598 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 55.

The square root of 1048578994 is about 32381.7694698730. The cubic root of 1048578994 is about 1015.9376401937.

The spelling of 1048578994 in words is "one billion, forty-eight million, five hundred seventy-eight thousand, nine hundred ninety-four".