1119278494 has 4 divisors (see below), whose sum is σ = 1678917744. Its totient is φ = 559639246.

The previous prime is 1119278473. The next prime is 1119278513. The reversal of 1119278494 is 4948729111.

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

It is a super-3 number, since 3×1119278494³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279819622 + ... + 279819625.

It is an arithmetic number, because the mean of its divisors is an integer number (419729436).

Almost surely, 2^1119278494 is an apocalyptic number.

1119278494 is a deficient number, since it is larger than the sum of its proper divisors (559639250).

1119278494 is an equidigital number, since it uses as much as digits as its factorization.

1119278494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559639249.

The product of its digits is 145152, while the sum is 46.

The square root of 1119278494 is about 33455.6197670885. The cubic root of 1119278494 is about 1038.2757715357.

The spelling of 1119278494 in words is "one billion, one hundred nineteen million, two hundred seventy-eight thousand, four hundred ninety-four".