1019119798 has 8 divisors (see below), whose sum is σ = 1581392880. Its totient is φ = 491988840.

The previous prime is 1019119793. The next prime is 1019119799. The reversal of 1019119798 is 8979119101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1019119793) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 8785458 + ... + 8785573.

It is an arithmetic number, because the mean of its divisors is an integer number (197674110).

Almost surely, 2^1019119798 is an apocalyptic number.

1019119798 is a deficient number, since it is larger than the sum of its proper divisors (562273082).

1019119798 is a wasteful number, since it uses less digits than its factorization.

1019119798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17571062.

The product of its (nonzero) digits is 40824, while the sum is 46.

The square root of 1019119798 is about 31923.6557743627. The cubic root of 1019119798 is about 1006.3330735113. Note that the first 3 decimals are identical.

The spelling of 1019119798 in words is "one billion, nineteen million, one hundred nineteen thousand, seven hundred ninety-eight".